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Finding the Fourth Proportional to 91,702.20, 137,520.90 and 32,539.80

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Solution

The fourth proportional to 91,702.20, 137,520.90 and 32,539.80 is: 48,798.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,702.20 : 137,520.90 = 32,539.80 : x
  2. Step 2: Convert to fraction form
    91,702.20/137,520.90 = 32,539.80/x
  3. Step 3: Cross multiply
    91,702.20x = 137,520.90 × 32,539.80
  4. Step 4: Simplify right side
    91,702.20x = 4,474,902,581.82
  5. Step 5: Solve for x
    x = 4,474,902,581.82/91,702.20
  6. Step 6: Final answer
    x = 48,798.20

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