Home / 54,481.38-75,180.26-30,612.03

Finding the Fourth Proportional to 54,481.38, 75,180.26 and 30,612.03

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Solution

The fourth proportional to 54,481.38, 75,180.26 and 30,612.03 is: 42,242.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,481.38 : 75,180.26 = 30,612.03 : x
  2. Step 2: Convert to fraction form
    54,481.38/75,180.26 = 30,612.03/x
  3. Step 3: Cross multiply
    54,481.38x = 75,180.26 × 30,612.03
  4. Step 4: Simplify right side
    54,481.38x = 2,301,420,221.47
  5. Step 5: Solve for x
    x = 2,301,420,221.47/54,481.38
  6. Step 6: Final answer
    x = 42,242.33

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1.5x scale

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.