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Finding the Fourth Proportional to 71,712.54, 107,449.11 and 50,617.98

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Solution

The fourth proportional to 71,712.54, 107,449.11 and 50,617.98 is: 75,842.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,712.54 : 107,449.11 = 50,617.98 : x
  2. Step 2: Convert to fraction form
    71,712.54/107,449.11 = 50,617.98/x
  3. Step 3: Cross multiply
    71,712.54x = 107,449.11 × 50,617.98
  4. Step 4: Simplify right side
    71,712.54x = 5,438,856,901.00
  5. Step 5: Solve for x
    x = 5,438,856,901.00/71,712.54
  6. Step 6: Final answer
    x = 75,842.48

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