Home / 54,745.55-82,111.26-17,309.43

Finding the Fourth Proportional to 54,745.55, 82,111.26 and 17,309.43

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Solution

The fourth proportional to 54,745.55, 82,111.26 and 17,309.43 is: 25,961.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,745.55 : 82,111.26 = 17,309.43 : x
  2. Step 2: Convert to fraction form
    54,745.55/82,111.26 = 17,309.43/x
  3. Step 3: Cross multiply
    54,745.55x = 82,111.26 × 17,309.43
  4. Step 4: Simplify right side
    54,745.55x = 1,421,299,107.18
  5. Step 5: Solve for x
    x = 1,421,299,107.18/54,745.55
  6. Step 6: Final answer
    x = 25,961.91

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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.