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Finding the Fourth Proportional to 89,800.79, 123,930.62 and 49,514.43

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Solution

The fourth proportional to 89,800.79, 123,930.62 and 49,514.43 is: 68,332.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,800.79 : 123,930.62 = 49,514.43 : x
  2. Step 2: Convert to fraction form
    89,800.79/123,930.62 = 49,514.43/x
  3. Step 3: Cross multiply
    89,800.79x = 123,930.62 × 49,514.43
  4. Step 4: Simplify right side
    89,800.79x = 6,136,354,008.85
  5. Step 5: Solve for x
    x = 6,136,354,008.85/89,800.79
  6. Step 6: Final answer
    x = 68,332.96

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