Finding the Fourth Proportional to 107,955.56, 161,944.12 and 33,074.84
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Solution
The fourth proportional to 107,955.56, 161,944.12 and 33,074.84 is: 49,615.56
Step by Step Solution
- Step 1: Write the proportion equation
107,955.56 : 161,944.12 = 33,074.84 : x - Step 2: Convert to fraction form
107,955.56/161,944.12 = 33,074.84/x - Step 3: Cross multiply
107,955.56x = 161,944.12 × 33,074.84 - Step 4: Simplify right side
107,955.56x = 5,356,275,857.94 - Step 5: Solve for x
x = 5,356,275,857.94/107,955.56 - Step 6: Final answer
x = 49,615.56
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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.