Home / 75,760.40-113,629.80-25,842.80

Finding the Fourth Proportional to 75,760.40, 113,629.80 and 25,842.80

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Solution

The fourth proportional to 75,760.40, 113,629.80 and 25,842.80 is: 38,760.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,760.40 : 113,629.80 = 25,842.80 : x
  2. Step 2: Convert to fraction form
    75,760.40/113,629.80 = 25,842.80/x
  3. Step 3: Cross multiply
    75,760.40x = 113,629.80 × 25,842.80
  4. Step 4: Simplify right side
    75,760.40x = 2,936,512,195.44
  5. Step 5: Solve for x
    x = 2,936,512,195.44/75,760.40
  6. Step 6: Final answer
    x = 38,760.52

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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.