Home / 107,755.12-148,691.42-60,012.91

Finding the Fourth Proportional to 107,755.12, 148,691.42 and 60,012.91

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Solution

The fourth proportional to 107,755.12, 148,691.42 and 60,012.91 is: 82,811.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,755.12 : 148,691.42 = 60,012.91 : x
  2. Step 2: Convert to fraction form
    107,755.12/148,691.42 = 60,012.91/x
  3. Step 3: Cross multiply
    107,755.12x = 148,691.42 × 60,012.91
  4. Step 4: Simplify right side
    107,755.12x = 8,923,404,134.44
  5. Step 5: Solve for x
    x = 8,923,404,134.44/107,755.12
  6. Step 6: Final answer
    x = 82,811.88

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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.