Finding the Fourth Proportional to 107,775.14, 161,662.74 and 32,895.70
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Solution
The fourth proportional to 107,775.14, 161,662.74 and 32,895.70 is: 49,343.56
Step by Step Solution
- Step 1: Write the proportion equation
107,775.14 : 161,662.74 = 32,895.70 : x - Step 2: Convert to fraction form
107,775.14/161,662.74 = 32,895.70/x - Step 3: Cross multiply
107,775.14x = 161,662.74 × 32,895.70 - Step 4: Simplify right side
107,775.14x = 5,318,008,996.22 - Step 5: Solve for x
x = 5,318,008,996.22/107,775.14 - Step 6: Final answer
x = 49,343.56
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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.