Home / 83,766.96-125,470.04-39,327.12

Finding the Fourth Proportional to 83,766.96, 125,470.04 and 39,327.12

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Solution

The fourth proportional to 83,766.96, 125,470.04 and 39,327.12 is: 58,905.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,766.96 : 125,470.04 = 39,327.12 : x
  2. Step 2: Convert to fraction form
    83,766.96/125,470.04 = 39,327.12/x
  3. Step 3: Cross multiply
    83,766.96x = 125,470.04 × 39,327.12
  4. Step 4: Simplify right side
    83,766.96x = 4,934,375,122.85
  5. Step 5: Solve for x
    x = 4,934,375,122.85/83,766.96
  6. Step 6: Final answer
    x = 58,905.98

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Why These Related Problems?

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