Home / 125,122.50-187,691.94-50,232.78

Finding the Fourth Proportional to 125,122.50, 187,691.94 and 50,232.78

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Solution

The fourth proportional to 125,122.50, 187,691.94 and 50,232.78 is: 75,352.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,122.50 : 187,691.94 = 50,232.78 : x
  2. Step 2: Convert to fraction form
    125,122.50/187,691.94 = 50,232.78/x
  3. Step 3: Cross multiply
    125,122.50x = 187,691.94 × 50,232.78
  4. Step 4: Simplify right side
    125,122.50x = 9,428,287,929.79
  5. Step 5: Solve for x
    x = 9,428,287,929.79/125,122.50
  6. Step 6: Final answer
    x = 75,352.46

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.