Finding the Fourth Proportional to 88,635.75, 122,318.11 and 48,349.69
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Solution
The fourth proportional to 88,635.75, 122,318.11 and 48,349.69 is: 66,722.99
Step by Step Solution
- Step 1: Write the proportion equation
88,635.75 : 122,318.11 = 48,349.69 : x - Step 2: Convert to fraction form
88,635.75/122,318.11 = 48,349.69/x - Step 3: Cross multiply
88,635.75x = 122,318.11 × 48,349.69 - Step 4: Simplify right side
88,635.75x = 5,914,042,699.89 - Step 5: Solve for x
x = 5,914,042,699.89/88,635.75 - Step 6: Final answer
x = 66,722.99
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1.5x scale
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.