Home / 54,104.82-74,659.32-30,230.97

Finding the Fourth Proportional to 54,104.82, 74,659.32 and 30,230.97

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Solution

The fourth proportional to 54,104.82, 74,659.32 and 30,230.97 is: 41,715.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,104.82 : 74,659.32 = 30,230.97 : x
  2. Step 2: Convert to fraction form
    54,104.82/74,659.32 = 30,230.97/x
  3. Step 3: Cross multiply
    54,104.82x = 74,659.32 × 30,230.97
  4. Step 4: Simplify right side
    54,104.82x = 2,257,023,663.14
  5. Step 5: Solve for x
    x = 2,257,023,663.14/54,104.82
  6. Step 6: Final answer
    x = 41,715.76

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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.