Home / 87,546.42-131,109.20-49,992.80

Finding the Fourth Proportional to 87,546.42, 131,109.20 and 49,992.80

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Solution

The fourth proportional to 87,546.42, 131,109.20 and 49,992.80 is: 74,869.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,546.42 : 131,109.20 = 49,992.80 : x
  2. Step 2: Convert to fraction form
    87,546.42/131,109.20 = 49,992.80/x
  3. Step 3: Cross multiply
    87,546.42x = 131,109.20 × 49,992.80
  4. Step 4: Simplify right side
    87,546.42x = 6,554,515,635.29
  5. Step 5: Solve for x
    x = 6,554,515,635.29/87,546.42
  6. Step 6: Final answer
    x = 74,869.03

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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.