Home / 54,786.44-75,614.57-31,812.70

Finding the Fourth Proportional to 54,786.44, 75,614.57 and 31,812.70

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Solution

The fourth proportional to 54,786.44, 75,614.57 and 31,812.70 is: 43,906.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,786.44 : 75,614.57 = 31,812.70 : x
  2. Step 2: Convert to fraction form
    54,786.44/75,614.57 = 31,812.70/x
  3. Step 3: Cross multiply
    54,786.44x = 75,614.57 × 31,812.70
  4. Step 4: Simplify right side
    54,786.44x = 2,405,503,631.04
  5. Step 5: Solve for x
    x = 2,405,503,631.04/54,786.44
  6. Step 6: Final answer
    x = 43,906.92

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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.