Home / 83,734.91-125,708.97-54,276.02

Finding the Fourth Proportional to 83,734.91, 125,708.97 and 54,276.02

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Solution

The fourth proportional to 83,734.91, 125,708.97 and 54,276.02 is: 81,483.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,734.91 : 125,708.97 = 54,276.02 : x
  2. Step 2: Convert to fraction form
    83,734.91/125,708.97 = 54,276.02/x
  3. Step 3: Cross multiply
    83,734.91x = 125,708.97 × 54,276.02
  4. Step 4: Simplify right side
    83,734.91x = 6,822,982,569.90
  5. Step 5: Solve for x
    x = 6,822,982,569.90/83,734.91
  6. Step 6: Final answer
    x = 81,483.13

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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.