Home / 125,540.82-173,247.56-68,952.20

Finding the Fourth Proportional to 125,540.82, 173,247.56 and 68,952.20

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Solution

The fourth proportional to 125,540.82, 173,247.56 and 68,952.20 is: 95,154.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,540.82 : 173,247.56 = 68,952.20 : x
  2. Step 2: Convert to fraction form
    125,540.82/173,247.56 = 68,952.20/x
  3. Step 3: Cross multiply
    125,540.82x = 173,247.56 × 68,952.20
  4. Step 4: Simplify right side
    125,540.82x = 11,945,799,454.20
  5. Step 5: Solve for x
    x = 11,945,799,454.20/125,540.82
  6. Step 6: Final answer
    x = 95,154.70

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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.