Home / 95,680.64-131,872.25-70,132.84

Finding the Fourth Proportional to 95,680.64, 131,872.25 and 70,132.84

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Solution

The fourth proportional to 95,680.64, 131,872.25 and 70,132.84 is: 96,660.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,680.64 : 131,872.25 = 70,132.84 : x
  2. Step 2: Convert to fraction form
    95,680.64/131,872.25 = 70,132.84/x
  3. Step 3: Cross multiply
    95,680.64x = 131,872.25 × 70,132.84
  4. Step 4: Simplify right side
    95,680.64x = 9,248,575,255.34
  5. Step 5: Solve for x
    x = 9,248,575,255.34/95,680.64
  6. Step 6: Final answer
    x = 96,660.88

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.