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Finding the Fourth Proportional to 87,805.92, 121,174.02 and 51,982.86

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Solution

The fourth proportional to 87,805.92, 121,174.02 and 51,982.86 is: 71,737.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,805.92 : 121,174.02 = 51,982.86 : x
  2. Step 2: Convert to fraction form
    87,805.92/121,174.02 = 51,982.86/x
  3. Step 3: Cross multiply
    87,805.92x = 121,174.02 × 51,982.86
  4. Step 4: Simplify right side
    87,805.92x = 6,298,972,117.30
  5. Step 5: Solve for x
    x = 6,298,972,117.30/87,805.92
  6. Step 6: Final answer
    x = 71,737.44

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