Finding the Fourth Proportional to 75,747.13, 104,537.01 and 41,761.63
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Solution
The fourth proportional to 75,747.13, 104,537.01 and 41,761.63 is: 57,634.34
Step by Step Solution
- Step 1: Write the proportion equation
75,747.13 : 104,537.01 = 41,761.63 : x - Step 2: Convert to fraction form
75,747.13/104,537.01 = 41,761.63/x - Step 3: Cross multiply
75,747.13x = 104,537.01 × 41,761.63 - Step 4: Simplify right side
75,747.13x = 4,365,635,932.93 - Step 5: Solve for x
x = 4,365,635,932.93/75,747.13 - Step 6: Final answer
x = 57,634.34
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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.