Home / 87,635.84-131,401.10-34,264.22

Finding the Fourth Proportional to 87,635.84, 131,401.10 and 34,264.22

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Solution

The fourth proportional to 87,635.84, 131,401.10 and 34,264.22 is: 51,375.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,635.84 : 131,401.10 = 34,264.22 : x
  2. Step 2: Convert to fraction form
    87,635.84/131,401.10 = 34,264.22/x
  3. Step 3: Cross multiply
    87,635.84x = 131,401.10 × 34,264.22
  4. Step 4: Simplify right side
    87,635.84x = 4,502,355,370.32
  5. Step 5: Solve for x
    x = 4,502,355,370.32/87,635.84
  6. Step 6: Final answer
    x = 51,375.73

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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.