Home / 107,418.92-161,145.66-45,107.24

Finding the Fourth Proportional to 107,418.92, 161,145.66 and 45,107.24

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Solution

The fourth proportional to 107,418.92, 161,145.66 and 45,107.24 is: 67,668.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,418.92 : 161,145.66 = 45,107.24 : x
  2. Step 2: Convert to fraction form
    107,418.92/161,145.66 = 45,107.24/x
  3. Step 3: Cross multiply
    107,418.92x = 161,145.66 × 45,107.24
  4. Step 4: Simplify right side
    107,418.92x = 7,268,835,960.58
  5. Step 5: Solve for x
    x = 7,268,835,960.58/107,418.92
  6. Step 6: Final answer
    x = 67,668.12

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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.