Home / 89,616.51-123,669.79-49,329.41

Finding the Fourth Proportional to 89,616.51, 123,669.79 and 49,329.41

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Solution

The fourth proportional to 89,616.51, 123,669.79 and 49,329.41 is: 68,074.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,616.51 : 123,669.79 = 49,329.41 : x
  2. Step 2: Convert to fraction form
    89,616.51/123,669.79 = 49,329.41/x
  3. Step 3: Cross multiply
    89,616.51x = 123,669.79 × 49,329.41
  4. Step 4: Simplify right side
    89,616.51x = 6,100,557,033.85
  5. Step 5: Solve for x
    x = 6,100,557,033.85/89,616.51
  6. Step 6: Final answer
    x = 68,074.03

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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.