Finding the Fourth Proportional to 75,531.99, 104,225.97 and 43,694.94
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Solution
The fourth proportional to 75,531.99, 104,225.97 and 43,694.94 is: 60,294.29
Step by Step Solution
- Step 1: Write the proportion equation
75,531.99 : 104,225.97 = 43,694.94 : x - Step 2: Convert to fraction form
75,531.99/104,225.97 = 43,694.94/x - Step 3: Cross multiply
75,531.99x = 104,225.97 × 43,694.94 - Step 4: Simplify right side
75,531.99x = 4,554,147,505.59 - Step 5: Solve for x
x = 4,554,147,505.59/75,531.99 - Step 6: Final answer
x = 60,294.29
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1.5x scale
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.