Finding the Fourth Proportional to 91,093.75, 136,635.69 and 27,914.05
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Solution
The fourth proportional to 91,093.75, 136,635.69 and 27,914.05 is: 41,869.57
Step by Step Solution
- Step 1: Write the proportion equation
91,093.75 : 136,635.69 = 27,914.05 : x - Step 2: Convert to fraction form
91,093.75/136,635.69 = 27,914.05/x - Step 3: Cross multiply
91,093.75x = 136,635.69 × 27,914.05 - Step 4: Simplify right side
91,093.75x = 3,814,055,757.92 - Step 5: Solve for x
x = 3,814,055,757.92/91,093.75 - Step 6: Final answer
x = 41,869.57
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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.