Home / 82,311.40-123,382.36-32,371.26

Finding the Fourth Proportional to 82,311.40, 123,382.36 and 32,371.26

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Solution

The fourth proportional to 82,311.40, 123,382.36 and 32,371.26 is: 48,523.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,311.40 : 123,382.36 = 32,371.26 : x
  2. Step 2: Convert to fraction form
    82,311.40/123,382.36 = 32,371.26/x
  3. Step 3: Cross multiply
    82,311.40x = 123,382.36 × 32,371.26
  4. Step 4: Simplify right side
    82,311.40x = 3,994,041,850.67
  5. Step 5: Solve for x
    x = 3,994,041,850.67/82,311.40
  6. Step 6: Final answer
    x = 48,523.56

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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.