Finding the Fourth Proportional to 79,677.26, 119,514.81 and 27,123.38
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Solution
The fourth proportional to 79,677.26, 119,514.81 and 27,123.38 is: 40,684.70
Step by Step Solution
- Step 1: Write the proportion equation
79,677.26 : 119,514.81 = 27,123.38 : x - Step 2: Convert to fraction form
79,677.26/119,514.81 = 27,123.38/x - Step 3: Cross multiply
79,677.26x = 119,514.81 × 27,123.38 - Step 4: Simplify right side
79,677.26x = 3,241,645,607.26 - Step 5: Solve for x
x = 3,241,645,607.26/79,677.26 - Step 6: Final answer
x = 40,684.70
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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.