Home / 87,660.46-131,523.49-45,514.24

Finding the Fourth Proportional to 87,660.46, 131,523.49 and 45,514.24

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Solution

The fourth proportional to 87,660.46, 131,523.49 and 45,514.24 is: 68,288.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,660.46 : 131,523.49 = 45,514.24 : x
  2. Step 2: Convert to fraction form
    87,660.46/131,523.49 = 45,514.24/x
  3. Step 3: Cross multiply
    87,660.46x = 131,523.49 × 45,514.24
  4. Step 4: Simplify right side
    87,660.46x = 5,986,191,031.88
  5. Step 5: Solve for x
    x = 5,986,191,031.88/87,660.46
  6. Step 6: Final answer
    x = 68,288.38

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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.