Home / 88,046.10-131,723.55-79,751.70

Finding the Fourth Proportional to 88,046.10, 131,723.55 and 79,751.70

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Solution

The fourth proportional to 88,046.10, 131,723.55 and 79,751.70 is: 119,314.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,046.10 : 131,723.55 = 79,751.70 : x
  2. Step 2: Convert to fraction form
    88,046.10/131,723.55 = 79,751.70/x
  3. Step 3: Cross multiply
    88,046.10x = 131,723.55 × 79,751.70
  4. Step 4: Simplify right side
    88,046.10x = 10,505,177,042.54
  5. Step 5: Solve for x
    x = 10,505,177,042.54/88,046.10
  6. Step 6: Final answer
    x = 119,314.51

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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.