Home / 54,227.79-74,820.13-31,251.98

Finding the Fourth Proportional to 54,227.79, 74,820.13 and 31,251.98

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Solution

The fourth proportional to 54,227.79, 74,820.13 and 31,251.98 is: 43,119.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,227.79 : 74,820.13 = 31,251.98 : x
  2. Step 2: Convert to fraction form
    54,227.79/74,820.13 = 31,251.98/x
  3. Step 3: Cross multiply
    54,227.79x = 74,820.13 × 31,251.98
  4. Step 4: Simplify right side
    54,227.79x = 2,338,277,315.28
  5. Step 5: Solve for x
    x = 2,338,277,315.28/54,227.79
  6. Step 6: Final answer
    x = 43,119.54

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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.