Finding the Fourth Proportional to 79,982.76, 110,377.04 and 44,173.68
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Solution
The fourth proportional to 79,982.76, 110,377.04 and 44,173.68 is: 60,960.14
Step by Step Solution
- Step 1: Write the proportion equation
79,982.76 : 110,377.04 = 44,173.68 : x - Step 2: Convert to fraction form
79,982.76/110,377.04 = 44,173.68/x - Step 3: Cross multiply
79,982.76x = 110,377.04 × 44,173.68 - Step 4: Simplify right side
79,982.76x = 4,875,760,044.31 - Step 5: Solve for x
x = 4,875,760,044.31/79,982.76 - Step 6: Final answer
x = 60,960.14
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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.