Home / 82,317.25-123,402.57-29,715.04

Finding the Fourth Proportional to 82,317.25, 123,402.57 and 29,715.04

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Solution

The fourth proportional to 82,317.25, 123,402.57 and 29,715.04 is: 44,546.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,317.25 : 123,402.57 = 29,715.04 : x
  2. Step 2: Convert to fraction form
    82,317.25/123,402.57 = 29,715.04/x
  3. Step 3: Cross multiply
    82,317.25x = 123,402.57 × 29,715.04
  4. Step 4: Simplify right side
    82,317.25x = 3,666,912,303.65
  5. Step 5: Solve for x
    x = 3,666,912,303.65/82,317.25
  6. Step 6: Final answer
    x = 44,546.10

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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.