Home / 87,633.10-131,397.10-40,188.76

Finding the Fourth Proportional to 87,633.10, 131,397.10 and 40,188.76

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Solution

The fourth proportional to 87,633.10, 131,397.10 and 40,188.76 is: 60,259.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,633.10 : 131,397.10 = 40,188.76 : x
  2. Step 2: Convert to fraction form
    87,633.10/131,397.10 = 40,188.76/x
  3. Step 3: Cross multiply
    87,633.10x = 131,397.10 × 40,188.76
  4. Step 4: Simplify right side
    87,633.10x = 5,280,686,975.64
  5. Step 5: Solve for x
    x = 5,280,686,975.64/87,633.10
  6. Step 6: Final answer
    x = 60,259.05

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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.