Finding the Fourth Proportional to 103,689.72, 155,559.22 and 33,569
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Solution
The fourth proportional to 103,689.72, 155,559.22 and 33,569 is: 50,361.48
Step by Step Solution
- Step 1: Write the proportion equation
103,689.72 : 155,559.22 = 33,569 : x - Step 2: Convert to fraction form
103,689.72/155,559.22 = 33,569/x - Step 3: Cross multiply
103,689.72x = 155,559.22 × 33,569 - Step 4: Simplify right side
103,689.72x = 5,221,967,456.18 - Step 5: Solve for x
x = 5,221,967,456.18/103,689.72 - Step 6: Final answer
x = 50,361.48
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.