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Finding the Fourth Proportional to 83,765.92, 115,590.90 and 49,772.92

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Solution

The fourth proportional to 83,765.92, 115,590.90 and 49,772.92 is: 68,683.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,765.92 : 115,590.90 = 49,772.92 : x
  2. Step 2: Convert to fraction form
    83,765.92/115,590.90 = 49,772.92/x
  3. Step 3: Cross multiply
    83,765.92x = 115,590.90 × 49,772.92
  4. Step 4: Simplify right side
    83,765.92x = 5,753,296,618.43
  5. Step 5: Solve for x
    x = 5,753,296,618.43/83,765.92
  6. Step 6: Final answer
    x = 68,683.02

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