Home / 87,796.36-131,708.58-28,627.48

Finding the Fourth Proportional to 87,796.36, 131,708.58 and 28,627.48

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Solution

The fourth proportional to 87,796.36, 131,708.58 and 28,627.48 is: 42,945.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,796.36 : 131,708.58 = 28,627.48 : x
  2. Step 2: Convert to fraction form
    87,796.36/131,708.58 = 28,627.48/x
  3. Step 3: Cross multiply
    87,796.36x = 131,708.58 × 28,627.48
  4. Step 4: Simplify right side
    87,796.36x = 3,770,484,739.78
  5. Step 5: Solve for x
    x = 3,770,484,739.78/87,796.36
  6. Step 6: Final answer
    x = 42,945.80

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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.