Home / 54,161.69-81,244.67-16,718.43

Finding the Fourth Proportional to 54,161.69, 81,244.67 and 16,718.43

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Solution

The fourth proportional to 54,161.69, 81,244.67 and 16,718.43 is: 25,078.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,161.69 : 81,244.67 = 16,718.43 : x
  2. Step 2: Convert to fraction form
    54,161.69/81,244.67 = 16,718.43/x
  3. Step 3: Cross multiply
    54,161.69x = 81,244.67 × 16,718.43
  4. Step 4: Simplify right side
    54,161.69x = 1,358,283,244.68
  5. Step 5: Solve for x
    x = 1,358,283,244.68/54,161.69
  6. Step 6: Final answer
    x = 25,078.30

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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.