Home / 87,791.19-131,686.79-41,076.87

Finding the Fourth Proportional to 87,791.19, 131,686.79 and 41,076.87

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Solution

The fourth proportional to 87,791.19, 131,686.79 and 41,076.87 is: 61,615.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,791.19 : 131,686.79 = 41,076.87 : x
  2. Step 2: Convert to fraction form
    87,791.19/131,686.79 = 41,076.87/x
  3. Step 3: Cross multiply
    87,791.19x = 131,686.79 × 41,076.87
  4. Step 4: Simplify right side
    87,791.19x = 5,409,280,948.16
  5. Step 5: Solve for x
    x = 5,409,280,948.16/87,791.19
  6. Step 6: Final answer
    x = 61,615.31

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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.