Home / 107,378.76-161,067.99-45,049.26

Finding the Fourth Proportional to 107,378.76, 161,067.99 and 45,049.26

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Solution

The fourth proportional to 107,378.76, 161,067.99 and 45,049.26 is: 67,573.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,378.76 : 161,067.99 = 45,049.26 : x
  2. Step 2: Convert to fraction form
    107,378.76/161,067.99 = 45,049.26/x
  3. Step 3: Cross multiply
    107,378.76x = 161,067.99 × 45,049.26
  4. Step 4: Simplify right side
    107,378.76x = 7,255,993,759.19
  5. Step 5: Solve for x
    x = 7,255,993,759.19/107,378.76
  6. Step 6: Final answer
    x = 67,573.83

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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.