Home / 89,736.72-123,826.92-52,022.80

Finding the Fourth Proportional to 89,736.72, 123,826.92 and 52,022.80

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Solution

The fourth proportional to 89,736.72, 123,826.92 and 52,022.80 is: 71,785.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,736.72 : 123,826.92 = 52,022.80 : x
  2. Step 2: Convert to fraction form
    89,736.72/123,826.92 = 52,022.80/x
  3. Step 3: Cross multiply
    89,736.72x = 123,826.92 × 52,022.80
  4. Step 4: Simplify right side
    89,736.72x = 6,441,823,093.78
  5. Step 5: Solve for x
    x = 6,441,823,093.78/89,736.72
  6. Step 6: Final answer
    x = 71,785.81

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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.