Home / 76,540.80-114,819.57-25,976.33

Finding the Fourth Proportional to 76,540.80, 114,819.57 and 25,976.33

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Solution

The fourth proportional to 76,540.80, 114,819.57 and 25,976.33 is: 38,967.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,540.80 : 114,819.57 = 25,976.33 : x
  2. Step 2: Convert to fraction form
    76,540.80/114,819.57 = 25,976.33/x
  3. Step 3: Cross multiply
    76,540.80x = 114,819.57 × 25,976.33
  4. Step 4: Simplify right side
    76,540.80x = 2,982,590,466.68
  5. Step 5: Solve for x
    x = 2,982,590,466.68/76,540.80
  6. Step 6: Final answer
    x = 38,967.33

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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.