Home / 114,769.28-172,120.44-44,631.92

Finding the Fourth Proportional to 114,769.28, 172,120.44 and 44,631.92

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Solution

The fourth proportional to 114,769.28, 172,120.44 and 44,631.92 is: 66,934.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,769.28 : 172,120.44 = 44,631.92 : x
  2. Step 2: Convert to fraction form
    114,769.28/172,120.44 = 44,631.92/x
  3. Step 3: Cross multiply
    114,769.28x = 172,120.44 × 44,631.92
  4. Step 4: Simplify right side
    114,769.28x = 7,682,065,708.44
  5. Step 5: Solve for x
    x = 7,682,065,708.44/114,769.28
  6. Step 6: Final answer
    x = 66,934.86

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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.