Home / 82,677.32-124,002.68-22,691.78

Finding the Fourth Proportional to 82,677.32, 124,002.68 and 22,691.78

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Solution

The fourth proportional to 82,677.32, 124,002.68 and 22,691.78 is: 34,034.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,677.32 : 124,002.68 = 22,691.78 : x
  2. Step 2: Convert to fraction form
    82,677.32/124,002.68 = 22,691.78/x
  3. Step 3: Cross multiply
    82,677.32x = 124,002.68 × 22,691.78
  4. Step 4: Simplify right side
    82,677.32x = 2,813,841,533.97
  5. Step 5: Solve for x
    x = 2,813,841,533.97/82,677.32
  6. Step 6: Final answer
    x = 34,034.02

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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.