Home / 87,986.91-131,985.51-33,951.88

Finding the Fourth Proportional to 87,986.91, 131,985.51 and 33,951.88

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Solution

The fourth proportional to 87,986.91, 131,985.51 and 33,951.88 is: 50,929.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,986.91 : 131,985.51 = 33,951.88 : x
  2. Step 2: Convert to fraction form
    87,986.91/131,985.51 = 33,951.88/x
  3. Step 3: Cross multiply
    87,986.91x = 131,985.51 × 33,951.88
  4. Step 4: Simplify right side
    87,986.91x = 4,481,156,234.92
  5. Step 5: Solve for x
    x = 4,481,156,234.92/87,986.91
  6. Step 6: Final answer
    x = 50,929.80

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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.