Home / 87,466.53-120,709.91-49,229.74

Finding the Fourth Proportional to 87,466.53, 120,709.91 and 49,229.74

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Solution

The fourth proportional to 87,466.53, 120,709.91 and 49,229.74 is: 67,940.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,466.53 : 120,709.91 = 49,229.74 : x
  2. Step 2: Convert to fraction form
    87,466.53/120,709.91 = 49,229.74/x
  3. Step 3: Cross multiply
    87,466.53x = 120,709.91 × 49,229.74
  4. Step 4: Simplify right side
    87,466.53x = 5,942,517,758.69
  5. Step 5: Solve for x
    x = 5,942,517,758.69/87,466.53
  6. Step 6: Final answer
    x = 67,940.47

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.