Finding the Fourth Proportional to 75,640.28, 104,382.73 and 41,648.08
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Solution
The fourth proportional to 75,640.28, 104,382.73 and 41,648.08 is: 57,473.88
Step by Step Solution
- Step 1: Write the proportion equation
75,640.28 : 104,382.73 = 41,648.08 : x - Step 2: Convert to fraction form
75,640.28/104,382.73 = 41,648.08/x - Step 3: Cross multiply
75,640.28x = 104,382.73 × 41,648.08 - Step 4: Simplify right side
75,640.28x = 4,347,340,289.66 - Step 5: Solve for x
x = 4,347,340,289.66/75,640.28 - Step 6: Final answer
x = 57,473.88
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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.