Finding the Fourth Proportional to 100,581.75, 150,642.99 and 48,028.14
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Solution
The fourth proportional to 100,581.75, 150,642.99 and 48,028.14 is: 71,932.56
Step by Step Solution
- Step 1: Write the proportion equation
100,581.75 : 150,642.99 = 48,028.14 : x - Step 2: Convert to fraction form
100,581.75/150,642.99 = 48,028.14/x - Step 3: Cross multiply
100,581.75x = 150,642.99 × 48,028.14 - Step 4: Simplify right side
100,581.75x = 7,235,102,613.74 - Step 5: Solve for x
x = 7,235,102,613.74/100,581.75 - Step 6: Final answer
x = 71,932.56
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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.