Home / 54,273.82-81,422.43-16,833.15

Finding the Fourth Proportional to 54,273.82, 81,422.43 and 16,833.15

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Solution

The fourth proportional to 54,273.82, 81,422.43 and 16,833.15 is: 25,253.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,273.82 : 81,422.43 = 16,833.15 : x
  2. Step 2: Convert to fraction form
    54,273.82/81,422.43 = 16,833.15/x
  3. Step 3: Cross multiply
    54,273.82x = 81,422.43 × 16,833.15
  4. Step 4: Simplify right side
    54,273.82x = 1,370,595,977.55
  5. Step 5: Solve for x
    x = 1,370,595,977.55/54,273.82
  6. Step 6: Final answer
    x = 25,253.35

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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.