Home / 83,222.78-124,908.35-38,874.53

Finding the Fourth Proportional to 83,222.78, 124,908.35 and 38,874.53

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Solution

The fourth proportional to 83,222.78, 124,908.35 and 38,874.53 is: 58,346.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,222.78 : 124,908.35 = 38,874.53 : x
  2. Step 2: Convert to fraction form
    83,222.78/124,908.35 = 38,874.53/x
  3. Step 3: Cross multiply
    83,222.78x = 124,908.35 × 38,874.53
  4. Step 4: Simplify right side
    83,222.78x = 4,855,753,517.22
  5. Step 5: Solve for x
    x = 4,855,753,517.22/83,222.78
  6. Step 6: Final answer
    x = 58,346.45

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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.