Home / 51,175.72-76,786.62-27,767.08

Finding the Fourth Proportional to 51,175.72, 76,786.62 and 27,767.08

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Solution

The fourth proportional to 51,175.72, 76,786.62 and 27,767.08 is: 41,663.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,175.72 : 76,786.62 = 27,767.08 : x
  2. Step 2: Convert to fraction form
    51,175.72/76,786.62 = 27,767.08/x
  3. Step 3: Cross multiply
    51,175.72x = 76,786.62 × 27,767.08
  4. Step 4: Simplify right side
    51,175.72x = 2,132,140,220.47
  5. Step 5: Solve for x
    x = 2,132,140,220.47/51,175.72
  6. Step 6: Final answer
    x = 41,663.12

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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.