Home / 49,115.40-73,478.70-42,613.80

Finding the Fourth Proportional to 49,115.40, 73,478.70 and 42,613.80

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Solution

The fourth proportional to 49,115.40, 73,478.70 and 42,613.80 is: 63,752.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,115.40 : 73,478.70 = 42,613.80 : x
  2. Step 2: Convert to fraction form
    49,115.40/73,478.70 = 42,613.80/x
  3. Step 3: Cross multiply
    49,115.40x = 73,478.70 × 42,613.80
  4. Step 4: Simplify right side
    49,115.40x = 3,131,206,626.06
  5. Step 5: Solve for x
    x = 3,131,206,626.06/49,115.40
  6. Step 6: Final answer
    x = 63,752.03

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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.