Finding the Fourth Proportional to 71,236.92, 106,881.30 and 33,808.44
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Solution
The fourth proportional to 71,236.92, 106,881.30 and 33,808.44 is: 50,724.96
Step by Step Solution
- Step 1: Write the proportion equation
71,236.92 : 106,881.30 = 33,808.44 : x - Step 2: Convert to fraction form
71,236.92/106,881.30 = 33,808.44/x - Step 3: Cross multiply
71,236.92x = 106,881.30 × 33,808.44 - Step 4: Simplify right side
71,236.92x = 3,613,490,018.17 - Step 5: Solve for x
x = 3,613,490,018.17/71,236.92 - Step 6: Final answer
x = 50,724.96
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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.