Home / 49,175.83-73,763.79-21,077.65

Finding the Fourth Proportional to 49,175.83, 73,763.79 and 21,077.65

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Solution

The fourth proportional to 49,175.83, 73,763.79 and 21,077.65 is: 31,616.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,175.83 : 73,763.79 = 21,077.65 : x
  2. Step 2: Convert to fraction form
    49,175.83/73,763.79 = 21,077.65/x
  3. Step 3: Cross multiply
    49,175.83x = 73,763.79 × 21,077.65
  4. Step 4: Simplify right side
    49,175.83x = 1,554,767,348.29
  5. Step 5: Solve for x
    x = 1,554,767,348.29/49,175.83
  6. Step 6: Final answer
    x = 31,616.49

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Double scale
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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.