Home / 83,262.47-124,934.70-38,882.78

Finding the Fourth Proportional to 83,262.47, 124,934.70 and 38,882.78

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Solution

The fourth proportional to 83,262.47, 124,934.70 and 38,882.78 is: 58,343.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,262.47 : 124,934.70 = 38,882.78 : x
  2. Step 2: Convert to fraction form
    83,262.47/124,934.70 = 38,882.78/x
  3. Step 3: Cross multiply
    83,262.47x = 124,934.70 × 38,882.78
  4. Step 4: Simplify right side
    83,262.47x = 4,857,807,829.79
  5. Step 5: Solve for x
    x = 4,857,807,829.79/83,262.47
  6. Step 6: Final answer
    x = 58,343.31

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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.