Home / 87,674.20-131,511.30-32,291.80

Finding the Fourth Proportional to 87,674.20, 131,511.30 and 32,291.80

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Solution

The fourth proportional to 87,674.20, 131,511.30 and 32,291.80 is: 48,437.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,674.20 : 131,511.30 = 32,291.80 : x
  2. Step 2: Convert to fraction form
    87,674.20/131,511.30 = 32,291.80/x
  3. Step 3: Cross multiply
    87,674.20x = 131,511.30 × 32,291.80
  4. Step 4: Simplify right side
    87,674.20x = 4,246,736,597.34
  5. Step 5: Solve for x
    x = 4,246,736,597.34/87,674.20
  6. Step 6: Final answer
    x = 48,437.70

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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.