Home / 117,469.56-162,107.92-66,481.37

Finding the Fourth Proportional to 117,469.56, 162,107.92 and 66,481.37

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Solution

The fourth proportional to 117,469.56, 162,107.92 and 66,481.37 is: 91,744.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,469.56 : 162,107.92 = 66,481.37 : x
  2. Step 2: Convert to fraction form
    117,469.56/162,107.92 = 66,481.37/x
  3. Step 3: Cross multiply
    117,469.56x = 162,107.92 × 66,481.37
  4. Step 4: Simplify right side
    117,469.56x = 10,777,155,632.71
  5. Step 5: Solve for x
    x = 10,777,155,632.71/117,469.56
  6. Step 6: Final answer
    x = 91,744.24

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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.