Finding the Fourth Proportional to 68,375.20, 102,591.60 and 37,232.80
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Solution
The fourth proportional to 68,375.20, 102,591.60 and 37,232.80 is: 55,864.88
Step by Step Solution
- Step 1: Write the proportion equation
68,375.20 : 102,591.60 = 37,232.80 : x - Step 2: Convert to fraction form
68,375.20/102,591.60 = 37,232.80/x - Step 3: Cross multiply
68,375.20x = 102,591.60 × 37,232.80 - Step 4: Simplify right side
68,375.20x = 3,819,772,524.48 - Step 5: Solve for x
x = 3,819,772,524.48/68,375.20 - Step 6: Final answer
x = 55,864.88
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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.