Finding the Fourth Proportional to 107,540.56, 161,311.08 and 32,661.28
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Solution
The fourth proportional to 107,540.56, 161,311.08 and 32,661.28 is: 48,991.99
Step by Step Solution
- Step 1: Write the proportion equation
107,540.56 : 161,311.08 = 32,661.28 : x - Step 2: Convert to fraction form
107,540.56/161,311.08 = 32,661.28/x - Step 3: Cross multiply
107,540.56x = 161,311.08 × 32,661.28 - Step 4: Simplify right side
107,540.56x = 5,268,626,350.98 - Step 5: Solve for x
x = 5,268,626,350.98/107,540.56 - Step 6: Final answer
x = 48,991.99
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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.