Finding the Fourth Proportional to 75,687.14, 113,600.82 and 38,273.69
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Solution
The fourth proportional to 75,687.14, 113,600.82 and 38,273.69 is: 57,445.99
Step by Step Solution
- Step 1: Write the proportion equation
75,687.14 : 113,600.82 = 38,273.69 : x - Step 2: Convert to fraction form
75,687.14/113,600.82 = 38,273.69/x - Step 3: Cross multiply
75,687.14x = 113,600.82 × 38,273.69 - Step 4: Simplify right side
75,687.14x = 4,347,922,568.43 - Step 5: Solve for x
x = 4,347,922,568.43/75,687.14 - Step 6: Final answer
x = 57,445.99
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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.