Home / 89,634.20-123,692.79-49,348.26

Finding the Fourth Proportional to 89,634.20, 123,692.79 and 49,348.26

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Solution

The fourth proportional to 89,634.20, 123,692.79 and 49,348.26 is: 68,099.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,634.20 : 123,692.79 = 49,348.26 : x
  2. Step 2: Convert to fraction form
    89,634.20/123,692.79 = 49,348.26/x
  3. Step 3: Cross multiply
    89,634.20x = 123,692.79 × 49,348.26
  4. Step 4: Simplify right side
    89,634.20x = 6,104,023,961.05
  5. Step 5: Solve for x
    x = 6,104,023,961.05/89,634.20
  6. Step 6: Final answer
    x = 68,099.28

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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.