Home / 87,409.80-131,115.42-25,082.28

Finding the Fourth Proportional to 87,409.80, 131,115.42 and 25,082.28

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Solution

The fourth proportional to 87,409.80, 131,115.42 and 25,082.28 is: 37,623.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,409.80 : 131,115.42 = 25,082.28 : x
  2. Step 2: Convert to fraction form
    87,409.80/131,115.42 = 25,082.28/x
  3. Step 3: Cross multiply
    87,409.80x = 131,115.42 × 25,082.28
  4. Step 4: Simplify right side
    87,409.80x = 3,288,673,676.76
  5. Step 5: Solve for x
    x = 3,288,673,676.76/87,409.80
  6. Step 6: Final answer
    x = 37,623.63

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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.