Home / 87,393.36-131,096.88-31,245.60

Finding the Fourth Proportional to 87,393.36, 131,096.88 and 31,245.60

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Solution

The fourth proportional to 87,393.36, 131,096.88 and 31,245.60 is: 46,870.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,393.36 : 131,096.88 = 31,245.60 : x
  2. Step 2: Convert to fraction form
    87,393.36/131,096.88 = 31,245.60/x
  3. Step 3: Cross multiply
    87,393.36x = 131,096.88 × 31,245.60
  4. Step 4: Simplify right side
    87,393.36x = 4,096,200,673.73
  5. Step 5: Solve for x
    x = 4,096,200,673.73/87,393.36
  6. Step 6: Final answer
    x = 46,870.85

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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.