Home / 115,060.29-172,514.30-55,097.61

Finding the Fourth Proportional to 115,060.29, 172,514.30 and 55,097.61

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Solution

The fourth proportional to 115,060.29, 172,514.30 and 55,097.61 is: 82,609.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,060.29 : 172,514.30 = 55,097.61 : x
  2. Step 2: Convert to fraction form
    115,060.29/172,514.30 = 55,097.61/x
  3. Step 3: Cross multiply
    115,060.29x = 172,514.30 × 55,097.61
  4. Step 4: Simplify right side
    115,060.29x = 9,505,125,345.33
  5. Step 5: Solve for x
    x = 9,505,125,345.33/115,060.29
  6. Step 6: Final answer
    x = 82,609.95

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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.