Finding the Fourth Proportional to 84,540.46, 126,830.70 and 27,614.08
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Solution
The fourth proportional to 84,540.46, 126,830.70 and 27,614.08 is: 41,427.66
Step by Step Solution
- Step 1: Write the proportion equation
84,540.46 : 126,830.70 = 27,614.08 : x - Step 2: Convert to fraction form
84,540.46/126,830.70 = 27,614.08/x - Step 3: Cross multiply
84,540.46x = 126,830.70 × 27,614.08 - Step 4: Simplify right side
84,540.46x = 3,502,313,096.26 - Step 5: Solve for x
x = 3,502,313,096.26/84,540.46 - Step 6: Final answer
x = 41,427.66
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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.