Finding the Fourth Proportional to 79,982.96, 110,371.32 and 44,170.84
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Solution
The fourth proportional to 79,982.96, 110,371.32 and 44,170.84 is: 60,952.91
Step by Step Solution
- Step 1: Write the proportion equation
79,982.96 : 110,371.32 = 44,170.84 : x - Step 2: Convert to fraction form
79,982.96/110,371.32 = 44,170.84/x - Step 3: Cross multiply
79,982.96x = 110,371.32 × 44,170.84 - Step 4: Simplify right side
79,982.96x = 4,875,193,916.31 - Step 5: Solve for x
x = 4,875,193,916.31/79,982.96 - Step 6: Final answer
x = 60,952.91
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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.