Finding the Fourth Proportional to 77,105.26, 115,645.02 and 27,173.62
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Solution
The fourth proportional to 77,105.26, 115,645.02 and 27,173.62 is: 40,755.89
Step by Step Solution
- Step 1: Write the proportion equation
77,105.26 : 115,645.02 = 27,173.62 : x - Step 2: Convert to fraction form
77,105.26/115,645.02 = 27,173.62/x - Step 3: Cross multiply
77,105.26x = 115,645.02 × 27,173.62 - Step 4: Simplify right side
77,105.26x = 3,142,493,828.37 - Step 5: Solve for x
x = 3,142,493,828.37/77,105.26 - Step 6: Final answer
x = 40,755.89
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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.