Finding the Fourth Proportional to 75,068.80, 112,647.62 and 27,716.92
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Solution
The fourth proportional to 75,068.80, 112,647.62 and 27,716.92 is: 41,591.78
Step by Step Solution
- Step 1: Write the proportion equation
75,068.80 : 112,647.62 = 27,716.92 : x - Step 2: Convert to fraction form
75,068.80/112,647.62 = 27,716.92/x - Step 3: Cross multiply
75,068.80x = 112,647.62 × 27,716.92 - Step 4: Simplify right side
75,068.80x = 3,122,244,859.40 - Step 5: Solve for x
x = 3,122,244,859.40/75,068.80 - Step 6: Final answer
x = 41,591.78
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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.