Home / 114,928.92-172,321.56-51,735.96

Finding the Fourth Proportional to 114,928.92, 172,321.56 and 51,735.96

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Solution

The fourth proportional to 114,928.92, 172,321.56 and 51,735.96 is: 77,571.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,928.92 : 172,321.56 = 51,735.96 : x
  2. Step 2: Convert to fraction form
    114,928.92/172,321.56 = 51,735.96/x
  3. Step 3: Cross multiply
    114,928.92x = 172,321.56 × 51,735.96
  4. Step 4: Simplify right side
    114,928.92x = 8,915,221,335.30
  5. Step 5: Solve for x
    x = 8,915,221,335.30/114,928.92
  6. Step 6: Final answer
    x = 77,571.61

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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.