Finding the Fourth Proportional to 81,755.98, 122,634.02 and 22,591.70
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Solution
The fourth proportional to 81,755.98, 122,634.02 and 22,591.70 is: 33,887.56
Step by Step Solution
- Step 1: Write the proportion equation
81,755.98 : 122,634.02 = 22,591.70 : x - Step 2: Convert to fraction form
81,755.98/122,634.02 = 22,591.70/x - Step 3: Cross multiply
81,755.98x = 122,634.02 × 22,591.70 - Step 4: Simplify right side
81,755.98x = 2,770,510,989.63 - Step 5: Solve for x
x = 2,770,510,989.63/81,755.98 - Step 6: Final answer
x = 33,887.56
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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.