Home / 83,747.43-125,621.16-39,341.61

Finding the Fourth Proportional to 83,747.43, 125,621.16 and 39,341.61

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Solution

The fourth proportional to 83,747.43, 125,621.16 and 39,341.61 is: 59,012.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,747.43 : 125,621.16 = 39,341.61 : x
  2. Step 2: Convert to fraction form
    83,747.43/125,621.16 = 39,341.61/x
  3. Step 3: Cross multiply
    83,747.43x = 125,621.16 × 39,341.61
  4. Step 4: Simplify right side
    83,747.43x = 4,942,138,684.47
  5. Step 5: Solve for x
    x = 4,942,138,684.47/83,747.43
  6. Step 6: Final answer
    x = 59,012.42

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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.