Finding the Fourth Proportional to 79,942.82, 110,320.43 and 44,132.06
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Solution
The fourth proportional to 79,942.82, 110,320.43 and 44,132.06 is: 60,901.88
Step by Step Solution
- Step 1: Write the proportion equation
79,942.82 : 110,320.43 = 44,132.06 : x - Step 2: Convert to fraction form
79,942.82/110,320.43 = 44,132.06/x - Step 3: Cross multiply
79,942.82x = 110,320.43 × 44,132.06 - Step 4: Simplify right side
79,942.82x = 4,868,667,891.13 - Step 5: Solve for x
x = 4,868,667,891.13/79,942.82 - Step 6: Final answer
x = 60,901.88
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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.