Finding the Fourth Proportional to 75,812.28, 113,716.87 and 33,680.94
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Solution
The fourth proportional to 75,812.28, 113,716.87 and 33,680.94 is: 50,520.73
Step by Step Solution
- Step 1: Write the proportion equation
75,812.28 : 113,716.87 = 33,680.94 : x - Step 2: Convert to fraction form
75,812.28/113,716.87 = 33,680.94/x - Step 3: Cross multiply
75,812.28x = 113,716.87 × 33,680.94 - Step 4: Simplify right side
75,812.28x = 3,830,091,607.15 - Step 5: Solve for x
x = 3,830,091,607.15/75,812.28 - Step 6: Final answer
x = 50,520.73
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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.