Home / 54,104.97-74,663.46-30,231.81

Finding the Fourth Proportional to 54,104.97, 74,663.46 and 30,231.81

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Solution

The fourth proportional to 54,104.97, 74,663.46 and 30,231.81 is: 41,719.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,104.97 : 74,663.46 = 30,231.81 : x
  2. Step 2: Convert to fraction form
    54,104.97/74,663.46 = 30,231.81/x
  3. Step 3: Cross multiply
    54,104.97x = 74,663.46 × 30,231.81
  4. Step 4: Simplify right side
    54,104.97x = 2,257,211,536.66
  5. Step 5: Solve for x
    x = 2,257,211,536.66/54,104.97
  6. Step 6: Final answer
    x = 41,719.12

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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.