Home / 125,377.88-173,020.05-68,789.25

Finding the Fourth Proportional to 125,377.88, 173,020.05 and 68,789.25

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Solution

The fourth proportional to 125,377.88, 173,020.05 and 68,789.25 is: 94,928.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,377.88 : 173,020.05 = 68,789.25 : x
  2. Step 2: Convert to fraction form
    125,377.88/173,020.05 = 68,789.25/x
  3. Step 3: Cross multiply
    125,377.88x = 173,020.05 × 68,789.25
  4. Step 4: Simplify right side
    125,377.88x = 11,901,919,474.46
  5. Step 5: Solve for x
    x = 11,901,919,474.46/125,377.88
  6. Step 6: Final answer
    x = 94,928.39

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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.