Home / 87,514.88-131,293.26-28,350.63

Finding the Fourth Proportional to 87,514.88, 131,293.26 and 28,350.63

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Solution

The fourth proportional to 87,514.88, 131,293.26 and 28,350.63 is: 42,532.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,514.88 : 131,293.26 = 28,350.63 : x
  2. Step 2: Convert to fraction form
    87,514.88/131,293.26 = 28,350.63/x
  3. Step 3: Cross multiply
    87,514.88x = 131,293.26 × 28,350.63
  4. Step 4: Simplify right side
    87,514.88x = 3,722,246,635.75
  5. Step 5: Solve for x
    x = 3,722,246,635.75/87,514.88
  6. Step 6: Final answer
    x = 42,532.73

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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.