Home / 92,739.17-127,939.40-54,481.44

Finding the Fourth Proportional to 92,739.17, 127,939.40 and 54,481.44

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Solution

The fourth proportional to 92,739.17, 127,939.40 and 54,481.44 is: 75,160.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,739.17 : 127,939.40 = 54,481.44 : x
  2. Step 2: Convert to fraction form
    92,739.17/127,939.40 = 54,481.44/x
  3. Step 3: Cross multiply
    92,739.17x = 127,939.40 × 54,481.44
  4. Step 4: Simplify right side
    92,739.17x = 6,970,322,472.33
  5. Step 5: Solve for x
    x = 6,970,322,472.33/92,739.17
  6. Step 6: Final answer
    x = 75,160.50

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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.