Finding the Fourth Proportional to 76,792.96, 115,190.40 and 27,544.96
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Solution
The fourth proportional to 76,792.96, 115,190.40 and 27,544.96 is: 41,317.78
Step by Step Solution
- Step 1: Write the proportion equation
76,792.96 : 115,190.40 = 27,544.96 : x - Step 2: Convert to fraction form
76,792.96/115,190.40 = 27,544.96/x - Step 3: Cross multiply
76,792.96x = 115,190.40 × 27,544.96 - Step 4: Simplify right side
76,792.96x = 3,172,914,960.38 - Step 5: Solve for x
x = 3,172,914,960.38/76,792.96 - Step 6: Final answer
x = 41,317.78
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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.