Finding the Fourth Proportional to 68,147.92, 102,265.62 and 33,068.44
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Solution
The fourth proportional to 68,147.92, 102,265.62 and 33,068.44 is: 49,623.88
Step by Step Solution
- Step 1: Write the proportion equation
68,147.92 : 102,265.62 = 33,068.44 : x - Step 2: Convert to fraction form
68,147.92/102,265.62 = 33,068.44/x - Step 3: Cross multiply
68,147.92x = 102,265.62 × 33,068.44 - Step 4: Simplify right side
68,147.92x = 3,381,764,519.03 - Step 5: Solve for x
x = 3,381,764,519.03/68,147.92 - Step 6: Final answer
x = 49,623.88
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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.