Finding the Fourth Proportional to 83,676.80, 125,519.23 and 27,515.66
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Solution
The fourth proportional to 83,676.80, 125,519.23 and 27,515.66 is: 41,274.82
Step by Step Solution
- Step 1: Write the proportion equation
83,676.80 : 125,519.23 = 27,515.66 : x - Step 2: Convert to fraction form
83,676.80/125,519.23 = 27,515.66/x - Step 3: Cross multiply
83,676.80x = 125,519.23 × 27,515.66 - Step 4: Simplify right side
83,676.80x = 3,453,744,456.14 - Step 5: Solve for x
x = 3,453,744,456.14/83,676.80 - Step 6: Final answer
x = 41,274.82
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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.