Home / 81,049.96-121,573.68-41,584.30

Finding the Fourth Proportional to 81,049.96, 121,573.68 and 41,584.30

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Solution

The fourth proportional to 81,049.96, 121,573.68 and 41,584.30 is: 62,375.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,049.96 : 121,573.68 = 41,584.30 : x
  2. Step 2: Convert to fraction form
    81,049.96/121,573.68 = 41,584.30/x
  3. Step 3: Cross multiply
    81,049.96x = 121,573.68 × 41,584.30
  4. Step 4: Simplify right side
    81,049.96x = 5,055,556,381.22
  5. Step 5: Solve for x
    x = 5,055,556,381.22/81,049.96
  6. Step 6: Final answer
    x = 62,375.80

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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.