Finding the Fourth Proportional to 79,855.43, 110,191.74 and 44,043.17
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Solution
The fourth proportional to 79,855.43, 110,191.74 and 44,043.17 is: 60,774.75
Step by Step Solution
- Step 1: Write the proportion equation
79,855.43 : 110,191.74 = 44,043.17 : x - Step 2: Convert to fraction form
79,855.43/110,191.74 = 44,043.17/x - Step 3: Cross multiply
79,855.43x = 110,191.74 × 44,043.17 - Step 4: Simplify right side
79,855.43x = 4,853,193,537.42 - Step 5: Solve for x
x = 4,853,193,537.42/79,855.43 - Step 6: Final answer
x = 60,774.75
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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.