Home / 83,767.38-125,470.64-39,327.54

Finding the Fourth Proportional to 83,767.38, 125,470.64 and 39,327.54

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Solution

The fourth proportional to 83,767.38, 125,470.64 and 39,327.54 is: 58,906.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,767.38 : 125,470.64 = 39,327.54 : x
  2. Step 2: Convert to fraction form
    83,767.38/125,470.64 = 39,327.54/x
  3. Step 3: Cross multiply
    83,767.38x = 125,470.64 × 39,327.54
  4. Step 4: Simplify right side
    83,767.38x = 4,934,451,416.79
  5. Step 5: Solve for x
    x = 4,934,451,416.79/83,767.38
  6. Step 6: Final answer
    x = 58,906.60

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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.