Home / 87,425.96-131,138.82-34,872.35

Finding the Fourth Proportional to 87,425.96, 131,138.82 and 34,872.35

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Solution

The fourth proportional to 87,425.96, 131,138.82 and 34,872.35 is: 52,308.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,425.96 : 131,138.82 = 34,872.35 : x
  2. Step 2: Convert to fraction form
    87,425.96/131,138.82 = 34,872.35/x
  3. Step 3: Cross multiply
    87,425.96x = 131,138.82 × 34,872.35
  4. Step 4: Simplify right side
    87,425.96x = 4,573,118,173.93
  5. Step 5: Solve for x
    x = 4,573,118,173.93/87,425.96
  6. Step 6: Final answer
    x = 52,308.47

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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.