Finding the Fourth Proportional to 78,765.26, 108,716.73 and 44,793.62
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Solution
The fourth proportional to 78,765.26, 108,716.73 and 44,793.62 is: 61,826.95
Step by Step Solution
- Step 1: Write the proportion equation
78,765.26 : 108,716.73 = 44,793.62 : x - Step 2: Convert to fraction form
78,765.26/108,716.73 = 44,793.62/x - Step 3: Cross multiply
78,765.26x = 108,716.73 × 44,793.62 - Step 4: Simplify right side
78,765.26x = 4,869,815,891.26 - Step 5: Solve for x
x = 4,869,815,891.26/78,765.26 - Step 6: Final answer
x = 61,826.95
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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.