Finding the Fourth Proportional to 79,651.26, 119,550.72 and 40,236.06
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Solution
The fourth proportional to 79,651.26, 119,550.72 and 40,236.06 is: 60,391.39
Step by Step Solution
- Step 1: Write the proportion equation
79,651.26 : 119,550.72 = 40,236.06 : x - Step 2: Convert to fraction form
79,651.26/119,550.72 = 40,236.06/x - Step 3: Cross multiply
79,651.26x = 119,550.72 × 40,236.06 - Step 4: Simplify right side
79,651.26x = 4,810,249,942.96 - Step 5: Solve for x
x = 4,810,249,942.96/79,651.26 - Step 6: Final answer
x = 60,391.39
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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.