Home / 91,729.92-137,479.68-32,517.12

Finding the Fourth Proportional to 91,729.92, 137,479.68 and 32,517.12

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Solution

The fourth proportional to 91,729.92, 137,479.68 and 32,517.12 is: 48,734.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,729.92 : 137,479.68 = 32,517.12 : x
  2. Step 2: Convert to fraction form
    91,729.92/137,479.68 = 32,517.12/x
  3. Step 3: Cross multiply
    91,729.92x = 137,479.68 × 32,517.12
  4. Step 4: Simplify right side
    91,729.92x = 4,470,443,252.12
  5. Step 5: Solve for x
    x = 4,470,443,252.12/91,729.92
  6. Step 6: Final answer
    x = 48,734.84

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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.