Home / 87,745.44-131,618.16-41,031.12

Finding the Fourth Proportional to 87,745.44, 131,618.16 and 41,031.12

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Solution

The fourth proportional to 87,745.44, 131,618.16 and 41,031.12 is: 61,546.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,745.44 : 131,618.16 = 41,031.12 : x
  2. Step 2: Convert to fraction form
    87,745.44/131,618.16 = 41,031.12/x
  3. Step 3: Cross multiply
    87,745.44x = 131,618.16 × 41,031.12
  4. Step 4: Simplify right side
    87,745.44x = 5,400,440,517.14
  5. Step 5: Solve for x
    x = 5,400,440,517.14/87,745.44
  6. Step 6: Final answer
    x = 61,546.68

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Double scale
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Similar ratio
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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.