Finding the Fourth Proportional to 75,611.19, 104,342.60 and 41,618.94
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Solution
The fourth proportional to 75,611.19, 104,342.60 and 41,618.94 is: 57,433.67
Step by Step Solution
- Step 1: Write the proportion equation
75,611.19 : 104,342.60 = 41,618.94 : x - Step 2: Convert to fraction form
75,611.19/104,342.60 = 41,618.94/x - Step 3: Cross multiply
75,611.19x = 104,342.60 × 41,618.94 - Step 4: Simplify right side
75,611.19x = 4,342,628,408.84 - Step 5: Solve for x
x = 4,342,628,408.84/75,611.19 - Step 6: Final answer
x = 57,433.67
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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.