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Finding the Fourth Proportional to 80,321.76, 120,523.95 and 38,249.55

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Solution

The fourth proportional to 80,321.76, 120,523.95 and 38,249.55 is: 57,394.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,321.76 : 120,523.95 = 38,249.55 : x
  2. Step 2: Convert to fraction form
    80,321.76/120,523.95 = 38,249.55/x
  3. Step 3: Cross multiply
    80,321.76x = 120,523.95 × 38,249.55
  4. Step 4: Simplify right side
    80,321.76x = 4,609,986,851.72
  5. Step 5: Solve for x
    x = 4,609,986,851.72/80,321.76
  6. Step 6: Final answer
    x = 57,394.00

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