Finding the Fourth Proportional to 79,911.36, 110,276.76 and 44,101.56
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Solution
The fourth proportional to 79,911.36, 110,276.76 and 44,101.56 is: 60,859.65
Step by Step Solution
- Step 1: Write the proportion equation
79,911.36 : 110,276.76 = 44,101.56 : x - Step 2: Convert to fraction form
79,911.36/110,276.76 = 44,101.56/x - Step 3: Cross multiply
79,911.36x = 110,276.76 × 44,101.56 - Step 4: Simplify right side
79,911.36x = 4,863,377,147.75 - Step 5: Solve for x
x = 4,863,377,147.75/79,911.36 - Step 6: Final answer
x = 60,859.65
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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.