Finding the Fourth Proportional to 71,143.35, 106,716.86 and 33,694.62
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Solution
The fourth proportional to 71,143.35, 106,716.86 and 33,694.62 is: 50,542.80
Step by Step Solution
- Step 1: Write the proportion equation
71,143.35 : 106,716.86 = 33,694.62 : x - Step 2: Convert to fraction form
71,143.35/106,716.86 = 33,694.62/x - Step 3: Cross multiply
71,143.35x = 106,716.86 × 33,694.62 - Step 4: Simplify right side
71,143.35x = 3,595,783,876.82 - Step 5: Solve for x
x = 3,595,783,876.82/71,143.35 - Step 6: Final answer
x = 50,542.80
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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.