Home / 89,742.84-123,845.94-49,458.04

Finding the Fourth Proportional to 89,742.84, 123,845.94 and 49,458.04

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Solution

The fourth proportional to 89,742.84, 123,845.94 and 49,458.04 is: 68,252.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,742.84 : 123,845.94 = 49,458.04 : x
  2. Step 2: Convert to fraction form
    89,742.84/123,845.94 = 49,458.04/x
  3. Step 3: Cross multiply
    89,742.84x = 123,845.94 × 49,458.04
  4. Step 4: Simplify right side
    89,742.84x = 6,125,177,454.36
  5. Step 5: Solve for x
    x = 6,125,177,454.36/89,742.84
  6. Step 6: Final answer
    x = 68,252.55

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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.