Finding the Fourth Proportional to 88,517.90, 122,153.16 and 48,231.99
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Solution
The fourth proportional to 88,517.90, 122,153.16 and 48,231.99 is: 66,559.31
Step by Step Solution
- Step 1: Write the proportion equation
88,517.90 : 122,153.16 = 48,231.99 : x - Step 2: Convert to fraction form
88,517.90/122,153.16 = 48,231.99/x - Step 3: Cross multiply
88,517.90x = 122,153.16 × 48,231.99 - Step 4: Simplify right side
88,517.90x = 5,891,689,750.43 - Step 5: Solve for x
x = 5,891,689,750.43/88,517.90 - Step 6: Final answer
x = 66,559.31
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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.