Finding the Fourth Proportional to 79,859.85, 110,207.37 and 44,049.96
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Solution
The fourth proportional to 79,859.85, 110,207.37 and 44,049.96 is: 60,789.37
Step by Step Solution
- Step 1: Write the proportion equation
79,859.85 : 110,207.37 = 44,049.96 : x - Step 2: Convert to fraction form
79,859.85/110,207.37 = 44,049.96/x - Step 3: Cross multiply
79,859.85x = 110,207.37 × 44,049.96 - Step 4: Simplify right side
79,859.85x = 4,854,630,240.21 - Step 5: Solve for x
x = 4,854,630,240.21/79,859.85 - Step 6: Final answer
x = 60,789.37
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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.