Home / 115,049.43-172,249.71-60,891.43

Finding the Fourth Proportional to 115,049.43, 172,249.71 and 60,891.43

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Solution

The fourth proportional to 115,049.43, 172,249.71 and 60,891.43 is: 91,165.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,049.43 : 172,249.71 = 60,891.43 : x
  2. Step 2: Convert to fraction form
    115,049.43/172,249.71 = 60,891.43/x
  3. Step 3: Cross multiply
    115,049.43x = 172,249.71 × 60,891.43
  4. Step 4: Simplify right side
    115,049.43x = 10,488,531,158.99
  5. Step 5: Solve for x
    x = 10,488,531,158.99/115,049.43
  6. Step 6: Final answer
    x = 91,165.43

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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.