Home / 83,565.60-125,341.68-39,180.96

Finding the Fourth Proportional to 83,565.60, 125,341.68 and 39,180.96

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Solution

The fourth proportional to 83,565.60, 125,341.68 and 39,180.96 is: 58,768.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,565.60 : 125,341.68 = 39,180.96 : x
  2. Step 2: Convert to fraction form
    83,565.60/125,341.68 = 39,180.96/x
  3. Step 3: Cross multiply
    83,565.60x = 125,341.68 × 39,180.96
  4. Step 4: Simplify right side
    83,565.60x = 4,911,007,350.41
  5. Step 5: Solve for x
    x = 4,911,007,350.41/83,565.60
  6. Step 6: Final answer
    x = 58,768.29

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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.