Finding the Fourth Proportional to 107,680.68, 161,546.58 and 33,808.68
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Solution
The fourth proportional to 107,680.68, 161,546.58 and 33,808.68 is: 50,721.05
Step by Step Solution
- Step 1: Write the proportion equation
107,680.68 : 161,546.58 = 33,808.68 : x - Step 2: Convert to fraction form
107,680.68/161,546.58 = 33,808.68/x - Step 3: Cross multiply
107,680.68x = 161,546.58 × 33,808.68 - Step 4: Simplify right side
107,680.68x = 5,461,676,628.31 - Step 5: Solve for x
x = 5,461,676,628.31/107,680.68 - Step 6: Final answer
x = 50,721.05
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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.