Home / 107,929.46-161,879.61-29,048.42

Finding the Fourth Proportional to 107,929.46, 161,879.61 and 29,048.42

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Solution

The fourth proportional to 107,929.46, 161,879.61 and 29,048.42 is: 43,568.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,929.46 : 161,879.61 = 29,048.42 : x
  2. Step 2: Convert to fraction form
    107,929.46/161,879.61 = 29,048.42/x
  3. Step 3: Cross multiply
    107,929.46x = 161,879.61 × 29,048.42
  4. Step 4: Simplify right side
    107,929.46x = 4,702,347,414.35
  5. Step 5: Solve for x
    x = 4,702,347,414.35/107,929.46
  6. Step 6: Final answer
    x = 43,568.71

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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.