Finding the Fourth Proportional to 87,818.92, 131,733.06 and 27,852.12
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Solution
The fourth proportional to 87,818.92, 131,733.06 and 27,852.12 is: 41,779.66
Step by Step Solution
- Step 1: Write the proportion equation
87,818.92 : 131,733.06 = 27,852.12 : x - Step 2: Convert to fraction form
87,818.92/131,733.06 = 27,852.12/x - Step 3: Cross multiply
87,818.92x = 131,733.06 × 27,852.12 - Step 4: Simplify right side
87,818.92x = 3,669,044,995.09 - Step 5: Solve for x
x = 3,669,044,995.09/87,818.92 - Step 6: Final answer
x = 41,779.66
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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.