Home / 77,743.44-107,286.38-43,752.54

Finding the Fourth Proportional to 77,743.44, 107,286.38 and 43,752.54

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Solution

The fourth proportional to 77,743.44, 107,286.38 and 43,752.54 is: 60,378.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,743.44 : 107,286.38 = 43,752.54 : x
  2. Step 2: Convert to fraction form
    77,743.44/107,286.38 = 43,752.54/x
  3. Step 3: Cross multiply
    77,743.44x = 107,286.38 × 43,752.54
  4. Step 4: Simplify right side
    77,743.44x = 4,694,051,632.41
  5. Step 5: Solve for x
    x = 4,694,051,632.41/77,743.44
  6. Step 6: Final answer
    x = 60,378.75

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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.