Home / 89,832.44-123,968.94-49,545.08

Finding the Fourth Proportional to 89,832.44, 123,968.94 and 49,545.08

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Solution

The fourth proportional to 89,832.44, 123,968.94 and 49,545.08 is: 68,372.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,832.44 : 123,968.94 = 49,545.08 : x
  2. Step 2: Convert to fraction form
    89,832.44/123,968.94 = 49,545.08/x
  3. Step 3: Cross multiply
    89,832.44x = 123,968.94 × 49,545.08
  4. Step 4: Simplify right side
    89,832.44x = 6,142,051,049.82
  5. Step 5: Solve for x
    x = 6,142,051,049.82/89,832.44
  6. Step 6: Final answer
    x = 68,372.31

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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.