Home / 80,530.20-111,126.94-44,718.08

Finding the Fourth Proportional to 80,530.20, 111,126.94 and 44,718.08

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Solution

The fourth proportional to 80,530.20, 111,126.94 and 44,718.08 is: 61,708.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,530.20 : 111,126.94 = 44,718.08 : x
  2. Step 2: Convert to fraction form
    80,530.20/111,126.94 = 44,718.08/x
  3. Step 3: Cross multiply
    80,530.20x = 111,126.94 × 44,718.08
  4. Step 4: Simplify right side
    80,530.20x = 4,969,382,725.65
  5. Step 5: Solve for x
    x = 4,969,382,725.65/80,530.20
  6. Step 6: Final answer
    x = 61,708.31

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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.