Home / 82,310.56-123,381.09-32,370.41

Finding the Fourth Proportional to 82,310.56, 123,381.09 and 32,370.41

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Solution

The fourth proportional to 82,310.56, 123,381.09 and 32,370.41 is: 48,522.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,310.56 : 123,381.09 = 32,370.41 : x
  2. Step 2: Convert to fraction form
    82,310.56/123,381.09 = 32,370.41/x
  3. Step 3: Cross multiply
    82,310.56x = 123,381.09 × 32,370.41
  4. Step 4: Simplify right side
    82,310.56x = 3,993,896,778.00
  5. Step 5: Solve for x
    x = 3,993,896,778.00/82,310.56
  6. Step 6: Final answer
    x = 48,522.29

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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.