Home / 87,919.56-131,885.40-35,329.08

Finding the Fourth Proportional to 87,919.56, 131,885.40 and 35,329.08

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Solution

The fourth proportional to 87,919.56, 131,885.40 and 35,329.08 is: 52,996.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,919.56 : 131,885.40 = 35,329.08 : x
  2. Step 2: Convert to fraction form
    87,919.56/131,885.40 = 35,329.08/x
  3. Step 3: Cross multiply
    87,919.56x = 131,885.40 × 35,329.08
  4. Step 4: Simplify right side
    87,919.56x = 4,659,389,847.43
  5. Step 5: Solve for x
    x = 4,659,389,847.43/87,919.56
  6. Step 6: Final answer
    x = 52,996.06

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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.