Finding the Fourth Proportional to 75,640.20, 104,382.58 and 41,647.96
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Solution
The fourth proportional to 75,640.20, 104,382.58 and 41,647.96 is: 57,473.69
Step by Step Solution
- Step 1: Write the proportion equation
75,640.20 : 104,382.58 = 41,647.96 : x - Step 2: Convert to fraction form
75,640.20/104,382.58 = 41,647.96/x - Step 3: Cross multiply
75,640.20x = 104,382.58 × 41,647.96 - Step 4: Simplify right side
75,640.20x = 4,347,321,516.54 - Step 5: Solve for x
x = 4,347,321,516.54/75,640.20 - Step 6: Final answer
x = 57,473.69
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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.