Home / 89,231.03-123,136.69-48,944.43

Finding the Fourth Proportional to 89,231.03, 123,136.69 and 48,944.43

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Solution

The fourth proportional to 89,231.03, 123,136.69 and 48,944.43 is: 67,542.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,231.03 : 123,136.69 = 48,944.43 : x
  2. Step 2: Convert to fraction form
    89,231.03/123,136.69 = 48,944.43/x
  3. Step 3: Cross multiply
    89,231.03x = 123,136.69 × 48,944.43
  4. Step 4: Simplify right side
    89,231.03x = 6,026,855,104.14
  5. Step 5: Solve for x
    x = 6,026,855,104.14/89,231.03
  6. Step 6: Final answer
    x = 67,542.14

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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.