Home / 82,238.20-123,361.70-26,082.57

Finding the Fourth Proportional to 82,238.20, 123,361.70 and 26,082.57

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Solution

The fourth proportional to 82,238.20, 123,361.70 and 26,082.57 is: 39,125.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,238.20 : 123,361.70 = 26,082.57 : x
  2. Step 2: Convert to fraction form
    82,238.20/123,361.70 = 26,082.57/x
  3. Step 3: Cross multiply
    82,238.20x = 123,361.70 × 26,082.57
  4. Step 4: Simplify right side
    82,238.20x = 3,217,590,175.57
  5. Step 5: Solve for x
    x = 3,217,590,175.57/82,238.20
  6. Step 6: Final answer
    x = 39,125.25

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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.