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Finding the Fourth Proportional to 71,880.15, 107,781.30 and 32,391.03

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Solution

The fourth proportional to 71,880.15, 107,781.30 and 32,391.03 is: 48,569.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,880.15 : 107,781.30 = 32,391.03 : x
  2. Step 2: Convert to fraction form
    71,880.15/107,781.30 = 32,391.03/x
  3. Step 3: Cross multiply
    71,880.15x = 107,781.30 × 32,391.03
  4. Step 4: Simplify right side
    71,880.15x = 3,491,147,321.74
  5. Step 5: Solve for x
    x = 3,491,147,321.74/71,880.15
  6. Step 6: Final answer
    x = 48,569.00

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