Home / 90,183.41-124,452.54-49,896.44

Finding the Fourth Proportional to 90,183.41, 124,452.54 and 49,896.44

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Solution

The fourth proportional to 90,183.41, 124,452.54 and 49,896.44 is: 68,856.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,183.41 : 124,452.54 = 49,896.44 : x
  2. Step 2: Convert to fraction form
    90,183.41/124,452.54 = 49,896.44/x
  3. Step 3: Cross multiply
    90,183.41x = 124,452.54 × 49,896.44
  4. Step 4: Simplify right side
    90,183.41x = 6,209,738,072.69
  5. Step 5: Solve for x
    x = 6,209,738,072.69/90,183.41
  6. Step 6: Final answer
    x = 68,856.77

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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.