Finding the Fourth Proportional to 79,872.36, 110,222.70 and 44,062.26
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Solution
The fourth proportional to 79,872.36, 110,222.70 and 44,062.26 is: 60,805.28
Step by Step Solution
- Step 1: Write the proportion equation
79,872.36 : 110,222.70 = 44,062.26 : x - Step 2: Convert to fraction form
79,872.36/110,222.70 = 44,062.26/x - Step 3: Cross multiply
79,872.36x = 110,222.70 × 44,062.26 - Step 4: Simplify right side
79,872.36x = 4,856,661,265.30 - Step 5: Solve for x
x = 4,856,661,265.30/79,872.36 - Step 6: Final answer
x = 60,805.28
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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.