Home / 87,344.88-131,045.00-31,183.75

Finding the Fourth Proportional to 87,344.88, 131,045.00 and 31,183.75

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Solution

The fourth proportional to 87,344.88, 131,045.00 and 31,183.75 is: 46,785.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,344.88 : 131,045.00 = 31,183.75 : x
  2. Step 2: Convert to fraction form
    87,344.88/131,045.00 = 31,183.75/x
  3. Step 3: Cross multiply
    87,344.88x = 131,045.00 × 31,183.75
  4. Step 4: Simplify right side
    87,344.88x = 4,086,474,526.64
  5. Step 5: Solve for x
    x = 4,086,474,526.64/87,344.88
  6. Step 6: Final answer
    x = 46,785.51

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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.