Finding the Fourth Proportional to 71,859.44, 107,626.20 and 49,571.48
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Solution
The fourth proportional to 71,859.44, 107,626.20 and 49,571.48 is: 74,244.80
Step by Step Solution
- Step 1: Write the proportion equation
71,859.44 : 107,626.20 = 49,571.48 : x - Step 2: Convert to fraction form
71,859.44/107,626.20 = 49,571.48/x - Step 3: Cross multiply
71,859.44x = 107,626.20 × 49,571.48 - Step 4: Simplify right side
71,859.44x = 5,335,190,020.78 - Step 5: Solve for x
x = 5,335,190,020.78/71,859.44 - Step 6: Final answer
x = 74,244.80
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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.