Home / 71,879.85-99,195.17-41,666.85

Finding the Fourth Proportional to 71,879.85, 99,195.17 and 41,666.85

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Solution

The fourth proportional to 71,879.85, 99,195.17 and 41,666.85 is: 57,500.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,879.85 : 99,195.17 = 41,666.85 : x
  2. Step 2: Convert to fraction form
    71,879.85/99,195.17 = 41,666.85/x
  3. Step 3: Cross multiply
    71,879.85x = 99,195.17 × 41,666.85
  4. Step 4: Simplify right side
    71,879.85x = 4,133,150,060.78
  5. Step 5: Solve for x
    x = 4,133,150,060.78/71,879.85
  6. Step 6: Final answer
    x = 57,500.82

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1.5x scale

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.