Finding the Fourth Proportional to 87,563.66, 120,843.97 and 49,837.91
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Solution
The fourth proportional to 87,563.66, 120,843.97 and 49,837.91 is: 68,779.79
Step by Step Solution
- Step 1: Write the proportion equation
87,563.66 : 120,843.97 = 49,837.91 : x - Step 2: Convert to fraction form
87,563.66/120,843.97 = 49,837.91/x - Step 3: Cross multiply
87,563.66x = 120,843.97 × 49,837.91 - Step 4: Simplify right side
87,563.66x = 6,022,610,172.09 - Step 5: Solve for x
x = 6,022,610,172.09/87,563.66 - Step 6: Final answer
x = 68,779.79
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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.