Home / 87,050.56-130,651.84-49,685.44

Finding the Fourth Proportional to 87,050.56, 130,651.84 and 49,685.44

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Solution

The fourth proportional to 87,050.56, 130,651.84 and 49,685.44 is: 74,571.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,050.56 : 130,651.84 = 49,685.44 : x
  2. Step 2: Convert to fraction form
    87,050.56/130,651.84 = 49,685.44/x
  3. Step 3: Cross multiply
    87,050.56x = 130,651.84 × 49,685.44
  4. Step 4: Simplify right side
    87,050.56x = 6,491,494,157.21
  5. Step 5: Solve for x
    x = 6,491,494,157.21/87,050.56
  6. Step 6: Final answer
    x = 74,571.54

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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.