Home / 91,439.44-137,170.12-32,262.88

Finding the Fourth Proportional to 91,439.44, 137,170.12 and 32,262.88

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Solution

The fourth proportional to 91,439.44, 137,170.12 and 32,262.88 is: 48,398.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,439.44 : 137,170.12 = 32,262.88 : x
  2. Step 2: Convert to fraction form
    91,439.44/137,170.12 = 32,262.88/x
  3. Step 3: Cross multiply
    91,439.44x = 137,170.12 × 32,262.88
  4. Step 4: Simplify right side
    91,439.44x = 4,425,503,121.15
  5. Step 5: Solve for x
    x = 4,425,503,121.15/91,439.44
  6. Step 6: Final answer
    x = 48,398.19

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1.5x scale

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.