Home / 83,772.20-125,680.17-43,793.84

Finding the Fourth Proportional to 83,772.20, 125,680.17 and 43,793.84

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Solution

The fourth proportional to 83,772.20, 125,680.17 and 43,793.84 is: 65,702.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,772.20 : 125,680.17 = 43,793.84 : x
  2. Step 2: Convert to fraction form
    83,772.20/125,680.17 = 43,793.84/x
  3. Step 3: Cross multiply
    83,772.20x = 125,680.17 × 43,793.84
  4. Step 4: Simplify right side
    83,772.20x = 5,504,017,256.15
  5. Step 5: Solve for x
    x = 5,504,017,256.15/83,772.20
  6. Step 6: Final answer
    x = 65,702.19

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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.