Finding the Fourth Proportional to 79,651.44, 119,487.60 and 27,046.80
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Solution
The fourth proportional to 79,651.44, 119,487.60 and 27,046.80 is: 40,573.75
Step by Step Solution
- Step 1: Write the proportion equation
79,651.44 : 119,487.60 = 27,046.80 : x - Step 2: Convert to fraction form
79,651.44/119,487.60 = 27,046.80/x - Step 3: Cross multiply
79,651.44x = 119,487.60 × 27,046.80 - Step 4: Simplify right side
79,651.44x = 3,231,757,219.68 - Step 5: Solve for x
x = 3,231,757,219.68/79,651.44 - Step 6: Final answer
x = 40,573.75
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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.