Home / 83,560.46-125,382.02-39,190.61

Finding the Fourth Proportional to 83,560.46, 125,382.02 and 39,190.61

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Solution

The fourth proportional to 83,560.46, 125,382.02 and 39,190.61 is: 58,805.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,560.46 : 125,382.02 = 39,190.61 : x
  2. Step 2: Convert to fraction form
    83,560.46/125,382.02 = 39,190.61/x
  3. Step 3: Cross multiply
    83,560.46x = 125,382.02 × 39,190.61
  4. Step 4: Simplify right side
    83,560.46x = 4,913,797,023.97
  5. Step 5: Solve for x
    x = 4,913,797,023.97/83,560.46
  6. Step 6: Final answer
    x = 58,805.29

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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.