Home / 53,131.31-73,320.83-29,257.79

Finding the Fourth Proportional to 53,131.31, 73,320.83 and 29,257.79

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Solution

The fourth proportional to 53,131.31, 73,320.83 and 29,257.79 is: 40,375.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,131.31 : 73,320.83 = 29,257.79 : x
  2. Step 2: Convert to fraction form
    53,131.31/73,320.83 = 29,257.79/x
  3. Step 3: Cross multiply
    53,131.31x = 73,320.83 × 29,257.79
  4. Step 4: Simplify right side
    53,131.31x = 2,145,204,933.87
  5. Step 5: Solve for x
    x = 2,145,204,933.87/53,131.31
  6. Step 6: Final answer
    x = 40,375.54

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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.