Home / 89,206.80-123,105.06-48,919.56

Finding the Fourth Proportional to 89,206.80, 123,105.06 and 48,919.56

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Solution

The fourth proportional to 89,206.80, 123,105.06 and 48,919.56 is: 67,508.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,206.80 : 123,105.06 = 48,919.56 : x
  2. Step 2: Convert to fraction form
    89,206.80/123,105.06 = 48,919.56/x
  3. Step 3: Cross multiply
    89,206.80x = 123,105.06 × 48,919.56
  4. Step 4: Simplify right side
    89,206.80x = 6,022,245,368.97
  5. Step 5: Solve for x
    x = 6,022,245,368.97/89,206.80
  6. Step 6: Final answer
    x = 67,508.82

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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.