Home / 82,319.26-123,405.56-29,717.04

Finding the Fourth Proportional to 82,319.26, 123,405.56 and 29,717.04

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Solution

The fourth proportional to 82,319.26, 123,405.56 and 29,717.04 is: 44,549.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,319.26 : 123,405.56 = 29,717.04 : x
  2. Step 2: Convert to fraction form
    82,319.26/123,405.56 = 29,717.04/x
  3. Step 3: Cross multiply
    82,319.26x = 123,405.56 × 29,717.04
  4. Step 4: Simplify right side
    82,319.26x = 3,667,247,962.74
  5. Step 5: Solve for x
    x = 3,667,247,962.74/82,319.26
  6. Step 6: Final answer
    x = 44,549.09

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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.