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Finding the Fourth Proportional to 83,442.80, 125,200.20 and 48,412.40

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Solution

The fourth proportional to 83,442.80, 125,200.20 and 48,412.40 is: 72,639.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,442.80 : 125,200.20 = 48,412.40 : x
  2. Step 2: Convert to fraction form
    83,442.80/125,200.20 = 48,412.40/x
  3. Step 3: Cross multiply
    83,442.80x = 125,200.20 × 48,412.40
  4. Step 4: Simplify right side
    83,442.80x = 6,061,242,162.48
  5. Step 5: Solve for x
    x = 6,061,242,162.48/83,442.80
  6. Step 6: Final answer
    x = 72,639.49

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.