Home / 76,334.40-114,479.68-25,727.88

Finding the Fourth Proportional to 76,334.40, 114,479.68 and 25,727.88

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Solution

The fourth proportional to 76,334.40, 114,479.68 and 25,727.88 is: 38,584.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,334.40 : 114,479.68 = 25,727.88 : x
  2. Step 2: Convert to fraction form
    76,334.40/114,479.68 = 25,727.88/x
  3. Step 3: Cross multiply
    76,334.40x = 114,479.68 × 25,727.88
  4. Step 4: Simplify right side
    76,334.40x = 2,945,319,469.48
  5. Step 5: Solve for x
    x = 2,945,319,469.48/76,334.40
  6. Step 6: Final answer
    x = 38,584.43

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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.