Finding the Fourth Proportional to 75,759.57, 104,548.93 and 41,769.27
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Solution
The fourth proportional to 75,759.57, 104,548.93 and 41,769.27 is: 57,641.99
Step by Step Solution
- Step 1: Write the proportion equation
75,759.57 : 104,548.93 = 41,769.27 : x - Step 2: Convert to fraction form
75,759.57/104,548.93 = 41,769.27/x - Step 3: Cross multiply
75,759.57x = 104,548.93 × 41,769.27 - Step 4: Simplify right side
75,759.57x = 4,366,932,380.96 - Step 5: Solve for x
x = 4,366,932,380.96/75,759.57 - Step 6: Final answer
x = 57,641.99
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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.