Finding the Fourth Proportional to 68,186.44, 102,289.26 and 33,121.48
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Solution
The fourth proportional to 68,186.44, 102,289.26 and 33,121.48 is: 49,686.88
Step by Step Solution
- Step 1: Write the proportion equation
68,186.44 : 102,289.26 = 33,121.48 : x - Step 2: Convert to fraction form
68,186.44/102,289.26 = 33,121.48/x - Step 3: Cross multiply
68,186.44x = 102,289.26 × 33,121.48 - Step 4: Simplify right side
68,186.44x = 3,387,971,679.30 - Step 5: Solve for x
x = 3,387,971,679.30/68,186.44 - Step 6: Final answer
x = 49,686.88
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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.