Home / 89,961.94-134,771.19-50,399.38

Finding the Fourth Proportional to 89,961.94, 134,771.19 and 50,399.38

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Solution

The fourth proportional to 89,961.94, 134,771.19 and 50,399.38 is: 75,502.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,961.94 : 134,771.19 = 50,399.38 : x
  2. Step 2: Convert to fraction form
    89,961.94/134,771.19 = 50,399.38/x
  3. Step 3: Cross multiply
    89,961.94x = 134,771.19 × 50,399.38
  4. Step 4: Simplify right side
    89,961.94x = 6,792,384,417.86
  5. Step 5: Solve for x
    x = 6,792,384,417.86/89,961.94
  6. Step 6: Final answer
    x = 75,502.87

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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.