Home / 87,609.36-131,414.04-28,451.01

Finding the Fourth Proportional to 87,609.36, 131,414.04 and 28,451.01

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Solution

The fourth proportional to 87,609.36, 131,414.04 and 28,451.01 is: 42,676.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,609.36 : 131,414.04 = 28,451.01 : x
  2. Step 2: Convert to fraction form
    87,609.36/131,414.04 = 28,451.01/x
  3. Step 3: Cross multiply
    87,609.36x = 131,414.04 × 28,451.01
  4. Step 4: Simplify right side
    87,609.36x = 3,738,862,166.18
  5. Step 5: Solve for x
    x = 3,738,862,166.18/87,609.36
  6. Step 6: Final answer
    x = 42,676.52

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Similar ratio
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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.