Home / 115,083.22-172,514.11-58,949.76

Finding the Fourth Proportional to 115,083.22, 172,514.11 and 58,949.76

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Solution

The fourth proportional to 115,083.22, 172,514.11 and 58,949.76 is: 88,367.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,083.22 : 172,514.11 = 58,949.76 : x
  2. Step 2: Convert to fraction form
    115,083.22/172,514.11 = 58,949.76/x
  3. Step 3: Cross multiply
    115,083.22x = 172,514.11 × 58,949.76
  4. Step 4: Simplify right side
    115,083.22x = 10,169,665,991.20
  5. Step 5: Solve for x
    x = 10,169,665,991.20/115,083.22
  6. Step 6: Final answer
    x = 88,367.93

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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.