Home / 89,361.84-123,320.19-49,076.44

Finding the Fourth Proportional to 89,361.84, 123,320.19 and 49,076.44

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Solution

The fourth proportional to 89,361.84, 123,320.19 and 49,076.44 is: 67,725.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,361.84 : 123,320.19 = 49,076.44 : x
  2. Step 2: Convert to fraction form
    89,361.84/123,320.19 = 49,076.44/x
  3. Step 3: Cross multiply
    89,361.84x = 123,320.19 × 49,076.44
  4. Step 4: Simplify right side
    89,361.84x = 6,052,115,505.00
  5. Step 5: Solve for x
    x = 6,052,115,505.00/89,361.84
  6. Step 6: Final answer
    x = 67,725.95

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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.