Finding the Fourth Proportional to 84,571.88, 126,869.67 and 34,659.08
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Solution
The fourth proportional to 84,571.88, 126,869.67 and 34,659.08 is: 51,993.48
Step by Step Solution
- Step 1: Write the proportion equation
84,571.88 : 126,869.67 = 34,659.08 : x - Step 2: Convert to fraction form
84,571.88/126,869.67 = 34,659.08/x - Step 3: Cross multiply
84,571.88x = 126,869.67 × 34,659.08 - Step 4: Simplify right side
84,571.88x = 4,397,186,042.10 - Step 5: Solve for x
x = 4,397,186,042.10/84,571.88 - Step 6: Final answer
x = 51,993.48
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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.