Home / 87,735.24-121,031.78-57,507.25

Finding the Fourth Proportional to 87,735.24, 121,031.78 and 57,507.25

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Solution

The fourth proportional to 87,735.24, 121,031.78 and 57,507.25 is: 79,331.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,735.24 : 121,031.78 = 57,507.25 : x
  2. Step 2: Convert to fraction form
    87,735.24/121,031.78 = 57,507.25/x
  3. Step 3: Cross multiply
    87,735.24x = 121,031.78 × 57,507.25
  4. Step 4: Simplify right side
    87,735.24x = 6,960,204,830.41
  5. Step 5: Solve for x
    x = 6,960,204,830.41/87,735.24
  6. Step 6: Final answer
    x = 79,331.92

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