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Finding the Fourth Proportional to 72,279.20, 108,331.32 and 32,796.56

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Solution

The fourth proportional to 72,279.20, 108,331.32 and 32,796.56 is: 49,155.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,279.20 : 108,331.32 = 32,796.56 : x
  2. Step 2: Convert to fraction form
    72,279.20/108,331.32 = 32,796.56/x
  3. Step 3: Cross multiply
    72,279.20x = 108,331.32 × 32,796.56
  4. Step 4: Simplify right side
    72,279.20x = 3,552,894,636.26
  5. Step 5: Solve for x
    x = 3,552,894,636.26/72,279.20
  6. Step 6: Final answer
    x = 49,155.15

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