Home / 88,876.10-133,314.15-82,117.70

Finding the Fourth Proportional to 88,876.10, 133,314.15 and 82,117.70

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Solution

The fourth proportional to 88,876.10, 133,314.15 and 82,117.70 is: 123,176.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,876.10 : 133,314.15 = 82,117.70 : x
  2. Step 2: Convert to fraction form
    88,876.10/133,314.15 = 82,117.70/x
  3. Step 3: Cross multiply
    88,876.10x = 133,314.15 × 82,117.70
  4. Step 4: Simplify right side
    88,876.10x = 10,947,451,375.46
  5. Step 5: Solve for x
    x = 10,947,451,375.46/88,876.10
  6. Step 6: Final answer
    x = 123,176.55

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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.