Home / 87,680.72-131,619.36-35,126.84

Finding the Fourth Proportional to 87,680.72, 131,619.36 and 35,126.84

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Solution

The fourth proportional to 87,680.72, 131,619.36 and 35,126.84 is: 52,729.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,680.72 : 131,619.36 = 35,126.84 : x
  2. Step 2: Convert to fraction form
    87,680.72/131,619.36 = 35,126.84/x
  3. Step 3: Cross multiply
    87,680.72x = 131,619.36 × 35,126.84
  4. Step 4: Simplify right side
    87,680.72x = 4,623,372,199.62
  5. Step 5: Solve for x
    x = 4,623,372,199.62/87,680.72
  6. Step 6: Final answer
    x = 52,729.63

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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.