Home / 45,144.20-62,299.17-25,000.64

Finding the Fourth Proportional to 45,144.20, 62,299.17 and 25,000.64

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Solution

The fourth proportional to 45,144.20, 62,299.17 and 25,000.64 is: 34,500.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,144.20 : 62,299.17 = 25,000.64 : x
  2. Step 2: Convert to fraction form
    45,144.20/62,299.17 = 25,000.64/x
  3. Step 3: Cross multiply
    45,144.20x = 62,299.17 × 25,000.64
  4. Step 4: Simplify right side
    45,144.20x = 1,557,519,121.47
  5. Step 5: Solve for x
    x = 1,557,519,121.47/45,144.20
  6. Step 6: Final answer
    x = 34,500.98

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Double scale
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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.