Home / 87,624-131,436.72-25,295.04

Finding the Fourth Proportional to 87,624, 131,436.72 and 25,295.04

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Solution

The fourth proportional to 87,624, 131,436.72 and 25,295.04 is: 37,942.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,624 : 131,436.72 = 25,295.04 : x
  2. Step 2: Convert to fraction form
    87,624/131,436.72 = 25,295.04/x
  3. Step 3: Cross multiply
    87,624x = 131,436.72 × 25,295.04
  4. Step 4: Simplify right side
    87,624x = 3,324,697,089.87
  5. Step 5: Solve for x
    x = 3,324,697,089.87/87,624
  6. Step 6: Final answer
    x = 37,942.77

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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.