Finding the Fourth Proportional to 80,236.22, 110,729.79 and 48,404.44
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Solution
The fourth proportional to 80,236.22, 110,729.79 and 48,404.44 is: 66,800.42
Step by Step Solution
- Step 1: Write the proportion equation
80,236.22 : 110,729.79 = 48,404.44 : x - Step 2: Convert to fraction form
80,236.22/110,729.79 = 48,404.44/x - Step 3: Cross multiply
80,236.22x = 110,729.79 × 48,404.44 - Step 4: Simplify right side
80,236.22x = 5,359,813,199.44 - Step 5: Solve for x
x = 5,359,813,199.44/80,236.22 - Step 6: Final answer
x = 66,800.42
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.