Home / 89,576.97-123,616.79-49,289.60

Finding the Fourth Proportional to 89,576.97, 123,616.79 and 49,289.60

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Solution

The fourth proportional to 89,576.97, 123,616.79 and 49,289.60 is: 68,019.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,576.97 : 123,616.79 = 49,289.60 : x
  2. Step 2: Convert to fraction form
    89,576.97/123,616.79 = 49,289.60/x
  3. Step 3: Cross multiply
    89,576.97x = 123,616.79 × 49,289.60
  4. Step 4: Simplify right side
    89,576.97x = 6,093,021,267.85
  5. Step 5: Solve for x
    x = 6,093,021,267.85/89,576.97
  6. Step 6: Final answer
    x = 68,019.95

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1.5x scale

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.