Home / 82,293.28-123,447.12-23,129.44

Finding the Fourth Proportional to 82,293.28, 123,447.12 and 23,129.44

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Solution

The fourth proportional to 82,293.28, 123,447.12 and 23,129.44 is: 34,696.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,293.28 : 123,447.12 = 23,129.44 : x
  2. Step 2: Convert to fraction form
    82,293.28/123,447.12 = 23,129.44/x
  3. Step 3: Cross multiply
    82,293.28x = 123,447.12 × 23,129.44
  4. Step 4: Simplify right side
    82,293.28x = 2,855,262,755.21
  5. Step 5: Solve for x
    x = 2,855,262,755.21/82,293.28
  6. Step 6: Final answer
    x = 34,696.18

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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.