Finding the Fourth Proportional to 107,446.11, 161,113.77 and 48,231.03
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Solution
The fourth proportional to 107,446.11, 161,113.77 and 48,231.03 is: 72,321.68
Step by Step Solution
- Step 1: Write the proportion equation
107,446.11 : 161,113.77 = 48,231.03 : x - Step 2: Convert to fraction form
107,446.11/161,113.77 = 48,231.03/x - Step 3: Cross multiply
107,446.11x = 161,113.77 × 48,231.03 - Step 4: Simplify right side
107,446.11x = 7,770,683,074.28 - Step 5: Solve for x
x = 7,770,683,074.28/107,446.11 - Step 6: Final answer
x = 72,321.68
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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.