Finding the Fourth Proportional to 127,354.35, 175,694.49 and 79,524.66
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Solution
The fourth proportional to 127,354.35, 175,694.49 and 79,524.66 is: 109,709.99
Step by Step Solution
- Step 1: Write the proportion equation
127,354.35 : 175,694.49 = 79,524.66 : x - Step 2: Convert to fraction form
127,354.35/175,694.49 = 79,524.66/x - Step 3: Cross multiply
127,354.35x = 175,694.49 × 79,524.66 - Step 4: Simplify right side
127,354.35x = 13,972,044,581.12 - Step 5: Solve for x
x = 13,972,044,581.12/127,354.35 - Step 6: Final answer
x = 109,709.99
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.