Home / 83,856.75-125,306.03-63,755.79

Finding the Fourth Proportional to 83,856.75, 125,306.03 and 63,755.79

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Solution

The fourth proportional to 83,856.75, 125,306.03 and 63,755.79 is: 95,269.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,856.75 : 125,306.03 = 63,755.79 : x
  2. Step 2: Convert to fraction form
    83,856.75/125,306.03 = 63,755.79/x
  3. Step 3: Cross multiply
    83,856.75x = 125,306.03 × 63,755.79
  4. Step 4: Simplify right side
    83,856.75x = 7,988,984,934.41
  5. Step 5: Solve for x
    x = 7,988,984,934.41/83,856.75
  6. Step 6: Final answer
    x = 95,269.43

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.