Home / 84,716.20-127,033.26-25,540.84

Finding the Fourth Proportional to 84,716.20, 127,033.26 and 25,540.84

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Solution

The fourth proportional to 84,716.20, 127,033.26 and 25,540.84 is: 38,298.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,716.20 : 127,033.26 = 25,540.84 : x
  2. Step 2: Convert to fraction form
    84,716.20/127,033.26 = 25,540.84/x
  3. Step 3: Cross multiply
    84,716.20x = 127,033.26 × 25,540.84
  4. Step 4: Simplify right side
    84,716.20x = 3,244,536,168.34
  5. Step 5: Solve for x
    x = 3,244,536,168.34/84,716.20
  6. Step 6: Final answer
    x = 38,298.89

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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.