Home / 107,872.91-148,865.29-60,129.34

Finding the Fourth Proportional to 107,872.91, 148,865.29 and 60,129.34

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Solution

The fourth proportional to 107,872.91, 148,865.29 and 60,129.34 is: 82,978.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,872.91 : 148,865.29 = 60,129.34 : x
  2. Step 2: Convert to fraction form
    107,872.91/148,865.29 = 60,129.34/x
  3. Step 3: Cross multiply
    107,872.91x = 148,865.29 × 60,129.34
  4. Step 4: Simplify right side
    107,872.91x = 8,951,171,452.35
  5. Step 5: Solve for x
    x = 8,951,171,452.35/107,872.91
  6. Step 6: Final answer
    x = 82,978.86

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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.