Home / 107,869.92-148,863.60-60,129.60

Finding the Fourth Proportional to 107,869.92, 148,863.60 and 60,129.60

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Solution

The fourth proportional to 107,869.92, 148,863.60 and 60,129.60 is: 82,980.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,869.92 : 148,863.60 = 60,129.60 : x
  2. Step 2: Convert to fraction form
    107,869.92/148,863.60 = 60,129.60/x
  3. Step 3: Cross multiply
    107,869.92x = 148,863.60 × 60,129.60
  4. Step 4: Simplify right side
    107,869.92x = 8,951,108,722.56
  5. Step 5: Solve for x
    x = 8,951,108,722.56/107,869.92
  6. Step 6: Final answer
    x = 82,980.58

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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.