Home / 113,902.92-170,890.92-54,742.86

Finding the Fourth Proportional to 113,902.92, 170,890.92 and 54,742.86

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Solution

The fourth proportional to 113,902.92, 170,890.92 and 54,742.86 is: 82,131.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,902.92 : 170,890.92 = 54,742.86 : x
  2. Step 2: Convert to fraction form
    113,902.92/170,890.92 = 54,742.86/x
  3. Step 3: Cross multiply
    113,902.92x = 170,890.92 × 54,742.86
  4. Step 4: Simplify right side
    113,902.92x = 9,355,057,708.83
  5. Step 5: Solve for x
    x = 9,355,057,708.83/113,902.92
  6. Step 6: Final answer
    x = 82,131.85

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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.