Finding the Fourth Proportional to 79,826.13, 119,742.84 and 27,236.07
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Solution
The fourth proportional to 79,826.13, 119,742.84 and 27,236.07 is: 40,855.35
Step by Step Solution
- Step 1: Write the proportion equation
79,826.13 : 119,742.84 = 27,236.07 : x - Step 2: Convert to fraction form
79,826.13/119,742.84 = 27,236.07/x - Step 3: Cross multiply
79,826.13x = 119,742.84 × 27,236.07 - Step 4: Simplify right side
79,826.13x = 3,261,324,372.24 - Step 5: Solve for x
x = 3,261,324,372.24/79,826.13 - Step 6: Final answer
x = 40,855.35
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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.