Finding the Fourth Proportional to 75,874.30, 104,709.44 and 41,884.26
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Solution
The fourth proportional to 75,874.30, 104,709.44 and 41,884.26 is: 57,801.88
Step by Step Solution
- Step 1: Write the proportion equation
75,874.30 : 104,709.44 = 41,884.26 : x - Step 2: Convert to fraction form
75,874.30/104,709.44 = 41,884.26/x - Step 3: Cross multiply
75,874.30x = 104,709.44 × 41,884.26 - Step 4: Simplify right side
75,874.30x = 4,385,677,409.41 - Step 5: Solve for x
x = 4,385,677,409.41/75,874.30 - Step 6: Final answer
x = 57,801.88
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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.