Home / 54,517.28-75,222.82-31,851.89

Finding the Fourth Proportional to 54,517.28, 75,222.82 and 31,851.89

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Solution

The fourth proportional to 54,517.28, 75,222.82 and 31,851.89 is: 43,949.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,517.28 : 75,222.82 = 31,851.89 : x
  2. Step 2: Convert to fraction form
    54,517.28/75,222.82 = 31,851.89/x
  3. Step 3: Cross multiply
    54,517.28x = 75,222.82 × 31,851.89
  4. Step 4: Simplify right side
    54,517.28x = 2,395,988,988.13
  5. Step 5: Solve for x
    x = 2,395,988,988.13/54,517.28
  6. Step 6: Final answer
    x = 43,949.17

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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.