Finding the Fourth Proportional to 68,343.21, 102,514.19 and 21,596.09
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Solution
The fourth proportional to 68,343.21, 102,514.19 and 21,596.09 is: 32,393.93
Step by Step Solution
- Step 1: Write the proportion equation
68,343.21 : 102,514.19 = 21,596.09 : x - Step 2: Convert to fraction form
68,343.21/102,514.19 = 21,596.09/x - Step 3: Cross multiply
68,343.21x = 102,514.19 × 21,596.09 - Step 4: Simplify right side
68,343.21x = 2,213,905,052.97 - Step 5: Solve for x
x = 2,213,905,052.97/68,343.21 - Step 6: Final answer
x = 32,393.93
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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.