Finding the Fourth Proportional to 66,850.99, 100,274.43 and 27,378.38
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Solution
The fourth proportional to 66,850.99, 100,274.43 and 27,378.38 is: 41,066.72
Step by Step Solution
- Step 1: Write the proportion equation
66,850.99 : 100,274.43 = 27,378.38 : x - Step 2: Convert to fraction form
66,850.99/100,274.43 = 27,378.38/x - Step 3: Cross multiply
66,850.99x = 100,274.43 × 27,378.38 - Step 4: Simplify right side
66,850.99x = 2,745,350,947.45 - Step 5: Solve for x
x = 2,745,350,947.45/66,850.99 - Step 6: Final answer
x = 41,066.72
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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.