Finding the Fourth Proportional to 110,091.26, 165,021.24 and 53,853.68
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Solution
The fourth proportional to 110,091.26, 165,021.24 and 53,853.68 is: 80,723.95
Step by Step Solution
- Step 1: Write the proportion equation
110,091.26 : 165,021.24 = 53,853.68 : x - Step 2: Convert to fraction form
110,091.26/165,021.24 = 53,853.68/x - Step 3: Cross multiply
110,091.26x = 165,021.24 × 53,853.68 - Step 4: Simplify right side
110,091.26x = 8,887,001,052.16 - Step 5: Solve for x
x = 8,887,001,052.16/110,091.26 - Step 6: Final answer
x = 80,723.95
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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.