Home / 87,673.30-131,423.55-43,306.90

Finding the Fourth Proportional to 87,673.30, 131,423.55 and 43,306.90

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Solution

The fourth proportional to 87,673.30, 131,423.55 and 43,306.90 is: 64,917.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,673.30 : 131,423.55 = 43,306.90 : x
  2. Step 2: Convert to fraction form
    87,673.30/131,423.55 = 43,306.90/x
  3. Step 3: Cross multiply
    87,673.30x = 131,423.55 × 43,306.90
  4. Step 4: Simplify right side
    87,673.30x = 5,691,546,537.50
  5. Step 5: Solve for x
    x = 5,691,546,537.50/87,673.30
  6. Step 6: Final answer
    x = 64,917.67

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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.