Finding the Fourth Proportional to 68,517.09, 102,700.17 and 44,814.87
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Solution
The fourth proportional to 68,517.09, 102,700.17 and 44,814.87 is: 67,172.95
Step by Step Solution
- Step 1: Write the proportion equation
68,517.09 : 102,700.17 = 44,814.87 : x - Step 2: Convert to fraction form
68,517.09/102,700.17 = 44,814.87/x - Step 3: Cross multiply
68,517.09x = 102,700.17 × 44,814.87 - Step 4: Simplify right side
68,517.09x = 4,602,494,767.53 - Step 5: Solve for x
x = 4,602,494,767.53/68,517.09 - Step 6: Final answer
x = 67,172.95
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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.