Home / 89,514.36-123,532.98-49,231.17

Finding the Fourth Proportional to 89,514.36, 123,532.98 and 49,231.17

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Solution

The fourth proportional to 89,514.36, 123,532.98 and 49,231.17 is: 67,940.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,514.36 : 123,532.98 = 49,231.17 : x
  2. Step 2: Convert to fraction form
    89,514.36/123,532.98 = 49,231.17/x
  3. Step 3: Cross multiply
    89,514.36x = 123,532.98 × 49,231.17
  4. Step 4: Simplify right side
    89,514.36x = 6,081,673,138.99
  5. Step 5: Solve for x
    x = 6,081,673,138.99/89,514.36
  6. Step 6: Final answer
    x = 67,940.75

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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.