Home / 54,718.29-82,077.33-21,414.99

Finding the Fourth Proportional to 54,718.29, 82,077.33 and 21,414.99

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Solution

The fourth proportional to 54,718.29, 82,077.33 and 21,414.99 is: 32,122.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,718.29 : 82,077.33 = 21,414.99 : x
  2. Step 2: Convert to fraction form
    54,718.29/82,077.33 = 21,414.99/x
  3. Step 3: Cross multiply
    54,718.29x = 82,077.33 × 21,414.99
  4. Step 4: Simplify right side
    54,718.29x = 1,757,685,201.18
  5. Step 5: Solve for x
    x = 1,757,685,201.18/54,718.29
  6. Step 6: Final answer
    x = 32,122.44

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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.