Home / 124,712.85-187,143.03-45,882.39

Finding the Fourth Proportional to 124,712.85, 187,143.03 and 45,882.39

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Solution

The fourth proportional to 124,712.85, 187,143.03 and 45,882.39 is: 68,850.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,712.85 : 187,143.03 = 45,882.39 : x
  2. Step 2: Convert to fraction form
    124,712.85/187,143.03 = 45,882.39/x
  3. Step 3: Cross multiply
    124,712.85x = 187,143.03 × 45,882.39
  4. Step 4: Simplify right side
    124,712.85x = 8,586,569,488.24
  5. Step 5: Solve for x
    x = 8,586,569,488.24/124,712.85
  6. Step 6: Final answer
    x = 68,850.72

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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.