Home / 87,693.44-131,556.80-28,524.16

Finding the Fourth Proportional to 87,693.44, 131,556.80 and 28,524.16

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Solution

The fourth proportional to 87,693.44, 131,556.80 and 28,524.16 is: 42,791.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,693.44 : 131,556.80 = 28,524.16 : x
  2. Step 2: Convert to fraction form
    87,693.44/131,556.80 = 28,524.16/x
  3. Step 3: Cross multiply
    87,693.44x = 131,556.80 × 28,524.16
  4. Step 4: Simplify right side
    87,693.44x = 3,752,547,212.29
  5. Step 5: Solve for x
    x = 3,752,547,212.29/87,693.44
  6. Step 6: Final answer
    x = 42,791.65

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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.