Home / 54,401.28-81,542.40-23,255.04

Finding the Fourth Proportional to 54,401.28, 81,542.40 and 23,255.04

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Solution

The fourth proportional to 54,401.28, 81,542.40 and 23,255.04 is: 34,857.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,401.28 : 81,542.40 = 23,255.04 : x
  2. Step 2: Convert to fraction form
    54,401.28/81,542.40 = 23,255.04/x
  3. Step 3: Cross multiply
    54,401.28x = 81,542.40 × 23,255.04
  4. Step 4: Simplify right side
    54,401.28x = 1,896,271,773.70
  5. Step 5: Solve for x
    x = 1,896,271,773.70/54,401.28
  6. Step 6: Final answer
    x = 34,857.12

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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.