Home / 109,917.20-151,683.26-62,170.49

Finding the Fourth Proportional to 109,917.20, 151,683.26 and 62,170.49

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Solution

The fourth proportional to 109,917.20, 151,683.26 and 62,170.49 is: 85,793.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,917.20 : 151,683.26 = 62,170.49 : x
  2. Step 2: Convert to fraction form
    109,917.20/151,683.26 = 62,170.49/x
  3. Step 3: Cross multiply
    109,917.20x = 151,683.26 × 62,170.49
  4. Step 4: Simplify right side
    109,917.20x = 9,430,221,529.73
  5. Step 5: Solve for x
    x = 9,430,221,529.73/109,917.20
  6. Step 6: Final answer
    x = 85,793.87

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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.