Finding the Fourth Proportional to 75,675.24, 113,512.84 and 35,144.64
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Solution
The fourth proportional to 75,675.24, 113,512.84 and 35,144.64 is: 52,716.95
Step by Step Solution
- Step 1: Write the proportion equation
75,675.24 : 113,512.84 = 35,144.64 : x - Step 2: Convert to fraction form
75,675.24/113,512.84 = 35,144.64/x - Step 3: Cross multiply
75,675.24x = 113,512.84 × 35,144.64 - Step 4: Simplify right side
75,675.24x = 3,989,367,809.32 - Step 5: Solve for x
x = 3,989,367,809.32/75,675.24 - Step 6: Final answer
x = 52,716.95
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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.