Home / 89,456.36-123,450.74-48,620.49

Finding the Fourth Proportional to 89,456.36, 123,450.74 and 48,620.49

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Solution

The fourth proportional to 89,456.36, 123,450.74 and 48,620.49 is: 67,096.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,456.36 : 123,450.74 = 48,620.49 : x
  2. Step 2: Convert to fraction form
    89,456.36/123,450.74 = 48,620.49/x
  3. Step 3: Cross multiply
    89,456.36x = 123,450.74 × 48,620.49
  4. Step 4: Simplify right side
    89,456.36x = 6,002,235,226.56
  5. Step 5: Solve for x
    x = 6,002,235,226.56/89,456.36
  6. Step 6: Final answer
    x = 67,096.80

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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.