Finding the Fourth Proportional to 75,287.07, 103,896.68 and 41,755.23
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Solution
The fourth proportional to 75,287.07, 103,896.68 and 41,755.23 is: 57,622.50
Step by Step Solution
- Step 1: Write the proportion equation
75,287.07 : 103,896.68 = 41,755.23 : x - Step 2: Convert to fraction form
75,287.07/103,896.68 = 41,755.23/x - Step 3: Cross multiply
75,287.07x = 103,896.68 × 41,755.23 - Step 4: Simplify right side
75,287.07x = 4,338,229,560.86 - Step 5: Solve for x
x = 4,338,229,560.86/75,287.07 - Step 6: Final answer
x = 57,622.50
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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.