Home / 124,279.76-171,504.46-67,691.14

Finding the Fourth Proportional to 124,279.76, 171,504.46 and 67,691.14

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Solution

The fourth proportional to 124,279.76, 171,504.46 and 67,691.14 is: 93,412.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,279.76 : 171,504.46 = 67,691.14 : x
  2. Step 2: Convert to fraction form
    124,279.76/171,504.46 = 67,691.14/x
  3. Step 3: Cross multiply
    124,279.76x = 171,504.46 × 67,691.14
  4. Step 4: Simplify right side
    124,279.76x = 11,609,332,412.48
  5. Step 5: Solve for x
    x = 11,609,332,412.48/124,279.76
  6. Step 6: Final answer
    x = 93,412.90

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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.