Home / 89,569.56-123,608.94-51,336.44

Finding the Fourth Proportional to 89,569.56, 123,608.94 and 51,336.44

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Solution

The fourth proportional to 89,569.56, 123,608.94 and 51,336.44 is: 70,845.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,569.56 : 123,608.94 = 51,336.44 : x
  2. Step 2: Convert to fraction form
    89,569.56/123,608.94 = 51,336.44/x
  3. Step 3: Cross multiply
    89,569.56x = 123,608.94 × 51,336.44
  4. Step 4: Simplify right side
    89,569.56x = 6,345,642,313.73
  5. Step 5: Solve for x
    x = 6,345,642,313.73/89,569.56
  6. Step 6: Final answer
    x = 70,845.97

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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.