Home / 89,579.97-123,620.94-49,292.60

Finding the Fourth Proportional to 89,579.97, 123,620.94 and 49,292.60

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Solution

The fourth proportional to 89,579.97, 123,620.94 and 49,292.60 is: 68,024.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,579.97 : 123,620.94 = 49,292.60 : x
  2. Step 2: Convert to fraction form
    89,579.97/123,620.94 = 49,292.60/x
  3. Step 3: Cross multiply
    89,579.97x = 123,620.94 × 49,292.60
  4. Step 4: Simplify right side
    89,579.97x = 6,093,596,928.94
  5. Step 5: Solve for x
    x = 6,093,596,928.94/89,579.97
  6. Step 6: Final answer
    x = 68,024.10

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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.