Finding the Fourth Proportional to 91,093.26, 125,660.91 and 74,116.47
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Solution
The fourth proportional to 91,093.26, 125,660.91 and 74,116.47 is: 102,241.85
Step by Step Solution
- Step 1: Write the proportion equation
91,093.26 : 125,660.91 = 74,116.47 : x - Step 2: Convert to fraction form
91,093.26/125,660.91 = 74,116.47/x - Step 3: Cross multiply
91,093.26x = 125,660.91 × 74,116.47 - Step 4: Simplify right side
91,093.26x = 9,313,543,066.19 - Step 5: Solve for x
x = 9,313,543,066.19/91,093.26 - Step 6: Final answer
x = 102,241.85
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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.