Home / 54,717.56-82,076.43-31,327.82

Finding the Fourth Proportional to 54,717.56, 82,076.43 and 31,327.82

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Solution

The fourth proportional to 54,717.56, 82,076.43 and 31,327.82 is: 46,991.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,717.56 : 82,076.43 = 31,327.82 : x
  2. Step 2: Convert to fraction form
    54,717.56/82,076.43 = 31,327.82/x
  3. Step 3: Cross multiply
    54,717.56x = 82,076.43 × 31,327.82
  4. Step 4: Simplify right side
    54,717.56x = 2,571,275,625.28
  5. Step 5: Solve for x
    x = 2,571,275,625.28/54,717.56
  6. Step 6: Final answer
    x = 46,991.78

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.