Finding the Fourth Proportional to 115,888.14, 173,910.11 and 41,007.98
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Solution
The fourth proportional to 115,888.14, 173,910.11 and 41,007.98 is: 61,539.53
Step by Step Solution
- Step 1: Write the proportion equation
115,888.14 : 173,910.11 = 41,007.98 : x - Step 2: Convert to fraction form
115,888.14/173,910.11 = 41,007.98/x - Step 3: Cross multiply
115,888.14x = 173,910.11 × 41,007.98 - Step 4: Simplify right side
115,888.14x = 7,131,701,238.09 - Step 5: Solve for x
x = 7,131,701,238.09/115,888.14 - Step 6: Final answer
x = 61,539.53
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1.5x scale
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.