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Finding the Fourth Proportional to 83,531.40, 125,426.70 and 48,539.40

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Solution

The fourth proportional to 83,531.40, 125,426.70 and 48,539.40 is: 72,884.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,531.40 : 125,426.70 = 48,539.40 : x
  2. Step 2: Convert to fraction form
    83,531.40/125,426.70 = 48,539.40/x
  3. Step 3: Cross multiply
    83,531.40x = 125,426.70 × 48,539.40
  4. Step 4: Simplify right side
    83,531.40x = 6,088,136,761.98
  5. Step 5: Solve for x
    x = 6,088,136,761.98/83,531.40
  6. Step 6: Final answer
    x = 72,884.41

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