Home / 99,414.72-137,188.19-54,092.88

Finding the Fourth Proportional to 99,414.72, 137,188.19 and 54,092.88

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Solution

The fourth proportional to 99,414.72, 137,188.19 and 54,092.88 is: 74,645.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,414.72 : 137,188.19 = 54,092.88 : x
  2. Step 2: Convert to fraction form
    99,414.72/137,188.19 = 54,092.88/x
  3. Step 3: Cross multiply
    99,414.72x = 137,188.19 × 54,092.88
  4. Step 4: Simplify right side
    99,414.72x = 7,420,904,028.62
  5. Step 5: Solve for x
    x = 7,420,904,028.62/99,414.72
  6. Step 6: Final answer
    x = 74,645.93

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.