Finding the Fourth Proportional to 82,907.43, 124,378.92 and 26,750.75
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Solution
The fourth proportional to 82,907.43, 124,378.92 and 26,750.75 is: 40,131.86
Step by Step Solution
- Step 1: Write the proportion equation
82,907.43 : 124,378.92 = 26,750.75 : x - Step 2: Convert to fraction form
82,907.43/124,378.92 = 26,750.75/x - Step 3: Cross multiply
82,907.43x = 124,378.92 × 26,750.75 - Step 4: Simplify right side
82,907.43x = 3,327,229,394.19 - Step 5: Solve for x
x = 3,327,229,394.19/82,907.43 - Step 6: Final answer
x = 40,131.86
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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.