Finding the Fourth Proportional to 79,479.84, 119,193.42 and 32,082.68
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Solution
The fourth proportional to 79,479.84, 119,193.42 and 32,082.68 is: 48,113.39
Step by Step Solution
- Step 1: Write the proportion equation
79,479.84 : 119,193.42 = 32,082.68 : x - Step 2: Convert to fraction form
79,479.84/119,193.42 = 32,082.68/x - Step 3: Cross multiply
79,479.84x = 119,193.42 × 32,082.68 - Step 4: Simplify right side
79,479.84x = 3,824,044,351.97 - Step 5: Solve for x
x = 3,824,044,351.97/79,479.84 - Step 6: Final answer
x = 48,113.39
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.