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Finding the Fourth Proportional to 87,308.92, 120,472.14 and 49,063.96

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Solution

The fourth proportional to 87,308.92, 120,472.14 and 49,063.96 is: 67,700.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,308.92 : 120,472.14 = 49,063.96 : x
  2. Step 2: Convert to fraction form
    87,308.92/120,472.14 = 49,063.96/x
  3. Step 3: Cross multiply
    87,308.92x = 120,472.14 × 49,063.96
  4. Step 4: Simplify right side
    87,308.92x = 5,910,840,258.07
  5. Step 5: Solve for x
    x = 5,910,840,258.07/87,308.92
  6. Step 6: Final answer
    x = 67,700.30

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