Home / 89,514.25-123,532.77-49,231.06

Finding the Fourth Proportional to 89,514.25, 123,532.77 and 49,231.06

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Solution

The fourth proportional to 89,514.25, 123,532.77 and 49,231.06 is: 67,940.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,514.25 : 123,532.77 = 49,231.06 : x
  2. Step 2: Convert to fraction form
    89,514.25/123,532.77 = 49,231.06/x
  3. Step 3: Cross multiply
    89,514.25x = 123,532.77 × 49,231.06
  4. Step 4: Simplify right side
    89,514.25x = 6,081,649,211.84
  5. Step 5: Solve for x
    x = 6,081,649,211.84/89,514.25
  6. Step 6: Final answer
    x = 67,940.57

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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.