Finding the Fourth Proportional to 80,996.24, 121,493.84 and 27,662.48
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Solution
The fourth proportional to 80,996.24, 121,493.84 and 27,662.48 is: 41,493.54
Step by Step Solution
- Step 1: Write the proportion equation
80,996.24 : 121,493.84 = 27,662.48 : x - Step 2: Convert to fraction form
80,996.24/121,493.84 = 27,662.48/x - Step 3: Cross multiply
80,996.24x = 121,493.84 × 27,662.48 - Step 4: Simplify right side
80,996.24x = 3,360,820,919.12 - Step 5: Solve for x
x = 3,360,820,919.12/80,996.24 - Step 6: Final answer
x = 41,493.54
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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.