Finding the Fourth Proportional to 79,654.44, 109,922.29 and 43,843.68
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Solution
The fourth proportional to 79,654.44, 109,922.29 and 43,843.68 is: 60,503.82
Step by Step Solution
- Step 1: Write the proportion equation
79,654.44 : 109,922.29 = 43,843.68 : x - Step 2: Convert to fraction form
79,654.44/109,922.29 = 43,843.68/x - Step 3: Cross multiply
79,654.44x = 109,922.29 × 43,843.68 - Step 4: Simplify right side
79,654.44x = 4,819,397,707.63 - Step 5: Solve for x
x = 4,819,397,707.63/79,654.44 - Step 6: Final answer
x = 60,503.82
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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.