Finding the Fourth Proportional to 71,922.08, 107,813.46 and 27,514.64
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Solution
The fourth proportional to 71,922.08, 107,813.46 and 27,514.64 is: 41,245.31
Step by Step Solution
- Step 1: Write the proportion equation
71,922.08 : 107,813.46 = 27,514.64 : x - Step 2: Convert to fraction form
71,922.08/107,813.46 = 27,514.64/x - Step 3: Cross multiply
71,922.08x = 107,813.46 × 27,514.64 - Step 4: Simplify right side
71,922.08x = 2,966,448,539.05 - Step 5: Solve for x
x = 2,966,448,539.05/71,922.08 - Step 6: Final answer
x = 41,245.31
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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.