Finding the Fourth Proportional to 79,721.67, 119,540.95 and 29,760.67
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Solution
The fourth proportional to 79,721.67, 119,540.95 and 29,760.67 is: 44,625.49
Step by Step Solution
- Step 1: Write the proportion equation
79,721.67 : 119,540.95 = 29,760.67 : x - Step 2: Convert to fraction form
79,721.67/119,540.95 = 29,760.67/x - Step 3: Cross multiply
79,721.67x = 119,540.95 × 29,760.67 - Step 4: Simplify right side
79,721.67x = 3,557,618,764.44 - Step 5: Solve for x
x = 3,557,618,764.44/79,721.67 - Step 6: Final answer
x = 44,625.49
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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.