Home / 54,513.18-81,767.39-17,072.42

Finding the Fourth Proportional to 54,513.18, 81,767.39 and 17,072.42

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Solution

The fourth proportional to 54,513.18, 81,767.39 and 17,072.42 is: 25,607.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,513.18 : 81,767.39 = 17,072.42 : x
  2. Step 2: Convert to fraction form
    54,513.18/81,767.39 = 17,072.42/x
  3. Step 3: Cross multiply
    54,513.18x = 81,767.39 × 17,072.42
  4. Step 4: Simplify right side
    54,513.18x = 1,395,966,730.18
  5. Step 5: Solve for x
    x = 1,395,966,730.18/54,513.18
  6. Step 6: Final answer
    x = 25,607.88

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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.