Home / 89,837.16-123,975.90-49,552.44

Finding the Fourth Proportional to 89,837.16, 123,975.90 and 49,552.44

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Solution

The fourth proportional to 89,837.16, 123,975.90 and 49,552.44 is: 68,382.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,837.16 : 123,975.90 = 49,552.44 : x
  2. Step 2: Convert to fraction form
    89,837.16/123,975.90 = 49,552.44/x
  3. Step 3: Cross multiply
    89,837.16x = 123,975.90 × 49,552.44
  4. Step 4: Simplify right side
    89,837.16x = 6,143,308,346.20
  5. Step 5: Solve for x
    x = 6,143,308,346.20/89,837.16
  6. Step 6: Final answer
    x = 68,382.71

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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.