Finding the Fourth Proportional to 75,098.85, 112,611.87 and 27,736.26
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Solution
The fourth proportional to 75,098.85, 112,611.87 and 27,736.26 is: 41,590.94
Step by Step Solution
- Step 1: Write the proportion equation
75,098.85 : 112,611.87 = 27,736.26 : x - Step 2: Convert to fraction form
75,098.85/112,611.87 = 27,736.26/x - Step 3: Cross multiply
75,098.85x = 112,611.87 × 27,736.26 - Step 4: Simplify right side
75,098.85x = 3,123,431,683.11 - Step 5: Solve for x
x = 3,123,431,683.11/75,098.85 - Step 6: Final answer
x = 41,590.94
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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.