Finding the Fourth Proportional to 79,834.36, 119,763.84 and 27,231.56
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Solution
The fourth proportional to 79,834.36, 119,763.84 and 27,231.56 is: 40,851.54
Step by Step Solution
- Step 1: Write the proportion equation
79,834.36 : 119,763.84 = 27,231.56 : x - Step 2: Convert to fraction form
79,834.36/119,763.84 = 27,231.56/x - Step 3: Cross multiply
79,834.36x = 119,763.84 × 27,231.56 - Step 4: Simplify right side
79,834.36x = 3,261,356,194.79 - Step 5: Solve for x
x = 3,261,356,194.79/79,834.36 - Step 6: Final answer
x = 40,851.54
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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.