Home / 125,747.28-173,531.96-68,387.28

Finding the Fourth Proportional to 125,747.28, 173,531.96 and 68,387.28

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Solution

The fourth proportional to 125,747.28, 173,531.96 and 68,387.28 is: 94,374.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,747.28 : 173,531.96 = 68,387.28 : x
  2. Step 2: Convert to fraction form
    125,747.28/173,531.96 = 68,387.28/x
  3. Step 3: Cross multiply
    125,747.28x = 173,531.96 × 68,387.28
  4. Step 4: Simplify right side
    125,747.28x = 11,867,378,737.47
  5. Step 5: Solve for x
    x = 11,867,378,737.47/125,747.28
  6. Step 6: Final answer
    x = 94,374.83

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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.