Home / 54,480.96-81,721.44-17,040.24

Finding the Fourth Proportional to 54,480.96, 81,721.44 and 17,040.24

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Solution

The fourth proportional to 54,480.96, 81,721.44 and 17,040.24 is: 25,560.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,480.96 : 81,721.44 = 17,040.24 : x
  2. Step 2: Convert to fraction form
    54,480.96/81,721.44 = 17,040.24/x
  3. Step 3: Cross multiply
    54,480.96x = 81,721.44 × 17,040.24
  4. Step 4: Simplify right side
    54,480.96x = 1,392,552,950.75
  5. Step 5: Solve for x
    x = 1,392,552,950.75/54,480.96
  6. Step 6: Final answer
    x = 25,560.36

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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.