Home / 107,910.10-161,879.92-36,813.65

Finding the Fourth Proportional to 107,910.10, 161,879.92 and 36,813.65

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Solution

The fourth proportional to 107,910.10, 161,879.92 and 36,813.65 is: 55,225.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,910.10 : 161,879.92 = 36,813.65 : x
  2. Step 2: Convert to fraction form
    107,910.10/161,879.92 = 36,813.65/x
  3. Step 3: Cross multiply
    107,910.10x = 161,879.92 × 36,813.65
  4. Step 4: Simplify right side
    107,910.10x = 5,959,389,929.30
  5. Step 5: Solve for x
    x = 5,959,389,929.30/107,910.10
  6. Step 6: Final answer
    x = 55,225.51

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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.