Finding the Fourth Proportional to 83,609.75, 125,422.63 and 27,450.02
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Solution
The fourth proportional to 83,609.75, 125,422.63 and 27,450.02 is: 41,177.66
Step by Step Solution
- Step 1: Write the proportion equation
83,609.75 : 125,422.63 = 27,450.02 : x - Step 2: Convert to fraction form
83,609.75/125,422.63 = 27,450.02/x - Step 3: Cross multiply
83,609.75x = 125,422.63 × 27,450.02 - Step 4: Simplify right side
83,609.75x = 3,442,853,946.88 - Step 5: Solve for x
x = 3,442,853,946.88/83,609.75 - Step 6: Final answer
x = 41,177.66
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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.