Home / 54,105.52-74,665.99-30,233.20

Finding the Fourth Proportional to 54,105.52, 74,665.99 and 30,233.20

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Solution

The fourth proportional to 54,105.52, 74,665.99 and 30,233.20 is: 41,722.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,105.52 : 74,665.99 = 30,233.20 : x
  2. Step 2: Convert to fraction form
    54,105.52/74,665.99 = 30,233.20/x
  3. Step 3: Cross multiply
    54,105.52x = 74,665.99 × 30,233.20
  4. Step 4: Simplify right side
    54,105.52x = 2,257,391,622.20
  5. Step 5: Solve for x
    x = 2,257,391,622.20/54,105.52
  6. Step 6: Final answer
    x = 41,722.02

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.