Home / 125,789.76-173,593.13-68,432.65

Finding the Fourth Proportional to 125,789.76, 173,593.13 and 68,432.65

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Solution

The fourth proportional to 125,789.76, 173,593.13 and 68,432.65 is: 94,438.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,789.76 : 173,593.13 = 68,432.65 : x
  2. Step 2: Convert to fraction form
    125,789.76/173,593.13 = 68,432.65/x
  3. Step 3: Cross multiply
    125,789.76x = 173,593.13 × 68,432.65
  4. Step 4: Simplify right side
    125,789.76x = 11,879,437,131.55
  5. Step 5: Solve for x
    x = 11,879,437,131.55/125,789.76
  6. Step 6: Final answer
    x = 94,438.83

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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.