Finding the Fourth Proportional to 71,743.44, 107,613.92 and 32,272.68
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Solution
The fourth proportional to 71,743.44, 107,613.92 and 32,272.68 is: 48,408.46
Step by Step Solution
- Step 1: Write the proportion equation
71,743.44 : 107,613.92 = 32,272.68 : x - Step 2: Convert to fraction form
71,743.44/107,613.92 = 32,272.68/x - Step 3: Cross multiply
71,743.44x = 107,613.92 × 32,272.68 - Step 4: Simplify right side
71,743.44x = 3,472,989,603.71 - Step 5: Solve for x
x = 3,472,989,603.71/71,743.44 - Step 6: Final answer
x = 48,408.46
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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.