Finding the Fourth Proportional to 86,170.08, 129,201.84 and 33,517.92
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Solution
The fourth proportional to 86,170.08, 129,201.84 and 33,517.92 is: 50,256.16
Step by Step Solution
- Step 1: Write the proportion equation
86,170.08 : 129,201.84 = 33,517.92 : x - Step 2: Convert to fraction form
86,170.08/129,201.84 = 33,517.92/x - Step 3: Cross multiply
86,170.08x = 129,201.84 × 33,517.92 - Step 4: Simplify right side
86,170.08x = 4,330,576,936.97 - Step 5: Solve for x
x = 4,330,576,936.97/86,170.08 - Step 6: Final answer
x = 50,256.16
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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.