Home / 89,268.97-123,198.94-48,990.51

Finding the Fourth Proportional to 89,268.97, 123,198.94 and 48,990.51

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Solution

The fourth proportional to 89,268.97, 123,198.94 and 48,990.51 is: 67,611.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,268.97 : 123,198.94 = 48,990.51 : x
  2. Step 2: Convert to fraction form
    89,268.97/123,198.94 = 48,990.51/x
  3. Step 3: Cross multiply
    89,268.97x = 123,198.94 × 48,990.51
  4. Step 4: Simplify right side
    89,268.97x = 6,035,578,902.06
  5. Step 5: Solve for x
    x = 6,035,578,902.06/89,268.97
  6. Step 6: Final answer
    x = 67,611.16

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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.