Finding the Fourth Proportional to 79,138.26, 118,711.04 and 44,051.49
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Solution
The fourth proportional to 79,138.26, 118,711.04 and 44,051.49 is: 66,079.26
Step by Step Solution
- Step 1: Write the proportion equation
79,138.26 : 118,711.04 = 44,051.49 : x - Step 2: Convert to fraction form
79,138.26/118,711.04 = 44,051.49/x - Step 3: Cross multiply
79,138.26x = 118,711.04 × 44,051.49 - Step 4: Simplify right side
79,138.26x = 5,229,397,971.19 - Step 5: Solve for x
x = 5,229,397,971.19/79,138.26 - Step 6: Final answer
x = 66,079.26
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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.