Home / 83,042.10-124,538.85-29,727.90

Finding the Fourth Proportional to 83,042.10, 124,538.85 and 29,727.90

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Solution

The fourth proportional to 83,042.10, 124,538.85 and 29,727.90 is: 44,583.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,042.10 : 124,538.85 = 29,727.90 : x
  2. Step 2: Convert to fraction form
    83,042.10/124,538.85 = 29,727.90/x
  3. Step 3: Cross multiply
    83,042.10x = 124,538.85 × 29,727.90
  4. Step 4: Simplify right side
    83,042.10x = 3,702,278,478.92
  5. Step 5: Solve for x
    x = 3,702,278,478.92/83,042.10
  6. Step 6: Final answer
    x = 44,583.15

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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.