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Finding the Fourth Proportional to 87,351.77, 131,078.45 and 36,747.09

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Solution

The fourth proportional to 87,351.77, 131,078.45 and 36,747.09 is: 55,142.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,351.77 : 131,078.45 = 36,747.09 : x
  2. Step 2: Convert to fraction form
    87,351.77/131,078.45 = 36,747.09/x
  3. Step 3: Cross multiply
    87,351.77x = 131,078.45 × 36,747.09
  4. Step 4: Simplify right side
    87,351.77x = 4,816,751,691.08
  5. Step 5: Solve for x
    x = 4,816,751,691.08/87,351.77
  6. Step 6: Final answer
    x = 55,142.00

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