Finding the Fourth Proportional to 67,229.92, 100,873.68 and 27,815.68
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Solution
The fourth proportional to 67,229.92, 100,873.68 and 27,815.68 is: 41,735.44
Step by Step Solution
- Step 1: Write the proportion equation
67,229.92 : 100,873.68 = 27,815.68 : x - Step 2: Convert to fraction form
67,229.92/100,873.68 = 27,815.68/x - Step 3: Cross multiply
67,229.92x = 100,873.68 × 27,815.68 - Step 4: Simplify right side
67,229.92x = 2,805,870,003.30 - Step 5: Solve for x
x = 2,805,870,003.30/67,229.92 - Step 6: Final answer
x = 41,735.44
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.