Home / 54,422.16-81,556.56-43,279.44

Finding the Fourth Proportional to 54,422.16, 81,556.56 and 43,279.44

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Solution

The fourth proportional to 54,422.16, 81,556.56 and 43,279.44 is: 64,858.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,422.16 : 81,556.56 = 43,279.44 : x
  2. Step 2: Convert to fraction form
    54,422.16/81,556.56 = 43,279.44/x
  3. Step 3: Cross multiply
    54,422.16x = 81,556.56 × 43,279.44
  4. Step 4: Simplify right side
    54,422.16x = 3,529,722,245.13
  5. Step 5: Solve for x
    x = 3,529,722,245.13/54,422.16
  6. Step 6: Final answer
    x = 64,858.18

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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.