Finding the Fourth Proportional to 68,324.40, 102,486.60 and 44,704.80
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Solution
The fourth proportional to 68,324.40, 102,486.60 and 44,704.80 is: 67,057.20
Step by Step Solution
- Step 1: Write the proportion equation
68,324.40 : 102,486.60 = 44,704.80 : x - Step 2: Convert to fraction form
68,324.40/102,486.60 = 44,704.80/x - Step 3: Cross multiply
68,324.40x = 102,486.60 × 44,704.80 - Step 4: Simplify right side
68,324.40x = 4,581,642,955.68 - Step 5: Solve for x
x = 4,581,642,955.68/68,324.40 - Step 6: Final answer
x = 67,057.20
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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.