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Finding the Fourth Proportional to 71,617.20, 107,425.80 and 36,552.30

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Solution

The fourth proportional to 71,617.20, 107,425.80 and 36,552.30 is: 54,828.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,617.20 : 107,425.80 = 36,552.30 : x
  2. Step 2: Convert to fraction form
    71,617.20/107,425.80 = 36,552.30/x
  3. Step 3: Cross multiply
    71,617.20x = 107,425.80 × 36,552.30
  4. Step 4: Simplify right side
    71,617.20x = 3,926,660,069.34
  5. Step 5: Solve for x
    x = 3,926,660,069.34/71,617.20
  6. Step 6: Final answer
    x = 54,828.45

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