Home / 67,134.56-100,680.35-22,145.85

Finding the Fourth Proportional to 67,134.56, 100,680.35 and 22,145.85

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Solution

The fourth proportional to 67,134.56, 100,680.35 and 22,145.85 is: 33,211.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,134.56 : 100,680.35 = 22,145.85 : x
  2. Step 2: Convert to fraction form
    67,134.56/100,680.35 = 22,145.85/x
  3. Step 3: Cross multiply
    67,134.56x = 100,680.35 × 22,145.85
  4. Step 4: Simplify right side
    67,134.56x = 2,229,651,818.32
  5. Step 5: Solve for x
    x = 2,229,651,818.32/67,134.56
  6. Step 6: Final answer
    x = 33,211.68

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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.