Finding the Fourth Proportional to 80,161.76, 110,626.49 and 44,351.19
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Solution
The fourth proportional to 80,161.76, 110,626.49 and 44,351.19 is: 61,206.45
Step by Step Solution
- Step 1: Write the proportion equation
80,161.76 : 110,626.49 = 44,351.19 : x - Step 2: Convert to fraction form
80,161.76/110,626.49 = 44,351.19/x - Step 3: Cross multiply
80,161.76x = 110,626.49 × 44,351.19 - Step 4: Simplify right side
80,161.76x = 4,906,416,477.02 - Step 5: Solve for x
x = 4,906,416,477.02/80,161.76 - Step 6: Final answer
x = 61,206.45
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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.