Home / 82,403.38-123,531.76-29,801.17

Finding the Fourth Proportional to 82,403.38, 123,531.76 and 29,801.17

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Solution

The fourth proportional to 82,403.38, 123,531.76 and 29,801.17 is: 44,675.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,403.38 : 123,531.76 = 29,801.17 : x
  2. Step 2: Convert to fraction form
    82,403.38/123,531.76 = 29,801.17/x
  3. Step 3: Cross multiply
    82,403.38x = 123,531.76 × 29,801.17
  4. Step 4: Simplify right side
    82,403.38x = 3,681,390,213.49
  5. Step 5: Solve for x
    x = 3,681,390,213.49/82,403.38
  6. Step 6: Final answer
    x = 44,675.24

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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.