Finding the Fourth Proportional to 79,517.92, 119,281.92 and 26,213.44
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Solution
The fourth proportional to 79,517.92, 119,281.92 and 26,213.44 is: 39,321.82
Step by Step Solution
- Step 1: Write the proportion equation
79,517.92 : 119,281.92 = 26,213.44 : x - Step 2: Convert to fraction form
79,517.92/119,281.92 = 26,213.44/x - Step 3: Cross multiply
79,517.92x = 119,281.92 × 26,213.44 - Step 4: Simplify right side
79,517.92x = 3,126,789,453.00 - Step 5: Solve for x
x = 3,126,789,453.00/79,517.92 - Step 6: Final answer
x = 39,321.82
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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.