Home / 87,421.40-131,034.90-48,006.80

Finding the Fourth Proportional to 87,421.40, 131,034.90 and 48,006.80

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Solution

The fourth proportional to 87,421.40, 131,034.90 and 48,006.80 is: 71,956.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,421.40 : 131,034.90 = 48,006.80 : x
  2. Step 2: Convert to fraction form
    87,421.40/131,034.90 = 48,006.80/x
  3. Step 3: Cross multiply
    87,421.40x = 131,034.90 × 48,006.80
  4. Step 4: Simplify right side
    87,421.40x = 6,290,566,237.32
  5. Step 5: Solve for x
    x = 6,290,566,237.32/87,421.40
  6. Step 6: Final answer
    x = 71,956.82

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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.