Home / 87,604.20-131,428.23-25,274.70

Finding the Fourth Proportional to 87,604.20, 131,428.23 and 25,274.70

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Solution

The fourth proportional to 87,604.20, 131,428.23 and 25,274.70 is: 37,918.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,604.20 : 131,428.23 = 25,274.70 : x
  2. Step 2: Convert to fraction form
    87,604.20/131,428.23 = 25,274.70/x
  3. Step 3: Cross multiply
    87,604.20x = 131,428.23 × 25,274.70
  4. Step 4: Simplify right side
    87,604.20x = 3,321,809,084.78
  5. Step 5: Solve for x
    x = 3,321,809,084.78/87,604.20
  6. Step 6: Final answer
    x = 37,918.38

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1.5x scale

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.