Finding the Fourth Proportional to 80,337.76, 110,866.12 and 48,514.48
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Solution
The fourth proportional to 80,337.76, 110,866.12 and 48,514.48 is: 66,949.99
Step by Step Solution
- Step 1: Write the proportion equation
80,337.76 : 110,866.12 = 48,514.48 : x - Step 2: Convert to fraction form
80,337.76/110,866.12 = 48,514.48/x - Step 3: Cross multiply
80,337.76x = 110,866.12 × 48,514.48 - Step 4: Simplify right side
80,337.76x = 5,378,612,161.42 - Step 5: Solve for x
x = 5,378,612,161.42/80,337.76 - Step 6: Final answer
x = 66,949.99
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.