Home / 67,213.32-100,753.20-32,112

Finding the Fourth Proportional to 67,213.32, 100,753.20 and 32,112

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Solution

The fourth proportional to 67,213.32, 100,753.20 and 32,112 is: 48,136.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,213.32 : 100,753.20 = 32,112 : x
  2. Step 2: Convert to fraction form
    67,213.32/100,753.20 = 32,112/x
  3. Step 3: Cross multiply
    67,213.32x = 100,753.20 × 32,112
  4. Step 4: Simplify right side
    67,213.32x = 3,235,386,758.40
  5. Step 5: Solve for x
    x = 3,235,386,758.40/67,213.32
  6. Step 6: Final answer
    x = 48,136.10

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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.