Finding the Fourth Proportional to 68,609.62, 102,750.13 and 43,571.31
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Solution
The fourth proportional to 68,609.62, 102,750.13 and 43,571.31 is: 65,252.62
Step by Step Solution
- Step 1: Write the proportion equation
68,609.62 : 102,750.13 = 43,571.31 : x - Step 2: Convert to fraction form
68,609.62/102,750.13 = 43,571.31/x - Step 3: Cross multiply
68,609.62x = 102,750.13 × 43,571.31 - Step 4: Simplify right side
68,609.62x = 4,476,957,766.77 - Step 5: Solve for x
x = 4,476,957,766.77/68,609.62 - Step 6: Final answer
x = 65,252.62
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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.