Finding the Fourth Proportional to 68,207.67, 102,326.09 and 33,167.07
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Solution
The fourth proportional to 68,207.67, 102,326.09 and 33,167.07 is: 49,757.69
Step by Step Solution
- Step 1: Write the proportion equation
68,207.67 : 102,326.09 = 33,167.07 : x - Step 2: Convert to fraction form
68,207.67/102,326.09 = 33,167.07/x - Step 3: Cross multiply
68,207.67x = 102,326.09 × 33,167.07 - Step 4: Simplify right side
68,207.67x = 3,393,856,424.02 - Step 5: Solve for x
x = 3,393,856,424.02/68,207.67 - Step 6: Final answer
x = 49,757.69
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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.