Home / 92,722.14-127,972.94-54,481.68

Finding the Fourth Proportional to 92,722.14, 127,972.94 and 54,481.68

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Solution

The fourth proportional to 92,722.14, 127,972.94 and 54,481.68 is: 75,194.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,722.14 : 127,972.94 = 54,481.68 : x
  2. Step 2: Convert to fraction form
    92,722.14/127,972.94 = 54,481.68/x
  3. Step 3: Cross multiply
    92,722.14x = 127,972.94 × 54,481.68
  4. Step 4: Simplify right side
    92,722.14x = 6,972,180,765.74
  5. Step 5: Solve for x
    x = 6,972,180,765.74/92,722.14
  6. Step 6: Final answer
    x = 75,194.35

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.