Home / 49,079.70-73,619.55-47,986.20

Finding the Fourth Proportional to 49,079.70, 73,619.55 and 47,986.20

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Solution

The fourth proportional to 49,079.70, 73,619.55 and 47,986.20 is: 71,979.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,079.70 : 73,619.55 = 47,986.20 : x
  2. Step 2: Convert to fraction form
    49,079.70/73,619.55 = 47,986.20/x
  3. Step 3: Cross multiply
    49,079.70x = 73,619.55 × 47,986.20
  4. Step 4: Simplify right side
    49,079.70x = 3,532,722,450.21
  5. Step 5: Solve for x
    x = 3,532,722,450.21/49,079.70
  6. Step 6: Final answer
    x = 71,979.30

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Similar ratio
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1.5x scale

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.