Finding the Fourth Proportional to 88,442.34, 122,020.77 and 52,611.99
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Solution
The fourth proportional to 88,442.34, 122,020.77 and 52,611.99 is: 72,586.90
Step by Step Solution
- Step 1: Write the proportion equation
88,442.34 : 122,020.77 = 52,611.99 : x - Step 2: Convert to fraction form
88,442.34/122,020.77 = 52,611.99/x - Step 3: Cross multiply
88,442.34x = 122,020.77 × 52,611.99 - Step 4: Simplify right side
88,442.34x = 6,419,755,531.03 - Step 5: Solve for x
x = 6,419,755,531.03/88,442.34 - Step 6: Final answer
x = 72,586.90
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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.