Finding the Fourth Proportional to 75,813.23, 104,623.47 and 41,821.11
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Solution
The fourth proportional to 75,813.23, 104,623.47 and 41,821.11 is: 57,713.80
Step by Step Solution
- Step 1: Write the proportion equation
75,813.23 : 104,623.47 = 41,821.11 : x - Step 2: Convert to fraction form
75,813.23/104,623.47 = 41,821.11/x - Step 3: Cross multiply
75,813.23x = 104,623.47 × 41,821.11 - Step 4: Simplify right side
75,813.23x = 4,375,469,647.45 - Step 5: Solve for x
x = 4,375,469,647.45/75,813.23 - Step 6: Final answer
x = 57,713.80
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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.