Home / 89,787.36-123,906.87-49,500.24

Finding the Fourth Proportional to 89,787.36, 123,906.87 and 49,500.24

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Solution

The fourth proportional to 89,787.36, 123,906.87 and 49,500.24 is: 68,310.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,787.36 : 123,906.87 = 49,500.24 : x
  2. Step 2: Convert to fraction form
    89,787.36/123,906.87 = 49,500.24/x
  3. Step 3: Cross multiply
    89,787.36x = 123,906.87 × 49,500.24
  4. Step 4: Simplify right side
    89,787.36x = 6,133,419,802.65
  5. Step 5: Solve for x
    x = 6,133,419,802.65/89,787.36
  6. Step 6: Final answer
    x = 68,310.50

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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.