Home / 125,121.92-187,701.18-36,363.86

Finding the Fourth Proportional to 125,121.92, 187,701.18 and 36,363.86

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Solution

The fourth proportional to 125,121.92, 187,701.18 and 36,363.86 is: 54,551.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,121.92 : 187,701.18 = 36,363.86 : x
  2. Step 2: Convert to fraction form
    125,121.92/187,701.18 = 36,363.86/x
  3. Step 3: Cross multiply
    125,121.92x = 187,701.18 × 36,363.86
  4. Step 4: Simplify right side
    125,121.92x = 6,825,539,431.35
  5. Step 5: Solve for x
    x = 6,825,539,431.35/125,121.92
  6. Step 6: Final answer
    x = 54,551.11

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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.