What is x when 5 divided by x equals 81?

In other words, what would the divisor be if the dividend were 5 and the quotient 81?

To find the answer, just divide the dividend by the quotient: 5 ÷ 81 = 0.061728395061728

To prove this, let's compute 5 divided by 0.061728395061728: 5 0.061728395061728 = 81

How does it work?

Asking what the value of x could be when 5 divided by x gives a result of 81, is equivalent to solving the following equation:

5 x = 81

  1. Multiply both sides by x: 5 x x = 81 x
  2. 5 x x is equivalent to x x × 5 , which simplifies to 1 × 5 (or just 5 ).
  3. Thus, the equation becomes: 5 = 81 x
  4. To find x, divide both sides by 81: 5 81 = 81 x 81
  5. Which gives, after simplification: 0.061728395061728 = x (or x = 0.061728395061728 )

So, if the dividend is 5 and the quotient is 81, the divisor is 0.061728395061728.