Home / 87,361.74-131,041.56-61,610.04

Finding the Fourth Proportional to 87,361.74, 131,041.56 and 61,610.04

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Solution

The fourth proportional to 87,361.74, 131,041.56 and 61,610.04 is: 92,414.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,361.74 : 131,041.56 = 61,610.04 : x
  2. Step 2: Convert to fraction form
    87,361.74/131,041.56 = 61,610.04/x
  3. Step 3: Cross multiply
    87,361.74x = 131,041.56 × 61,610.04
  4. Step 4: Simplify right side
    87,361.74x = 8,073,475,753.26
  5. Step 5: Solve for x
    x = 8,073,475,753.26/87,361.74
  6. Step 6: Final answer
    x = 92,414.32

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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.