Finding the Fourth Proportional to 87,404.26, 120,614.07 and 49,163.13
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Solution
The fourth proportional to 87,404.26, 120,614.07 and 49,163.13 is: 67,842.98
Step by Step Solution
- Step 1: Write the proportion equation
87,404.26 : 120,614.07 = 49,163.13 : x - Step 2: Convert to fraction form
87,404.26/120,614.07 = 49,163.13/x - Step 3: Cross multiply
87,404.26x = 120,614.07 × 49,163.13 - Step 4: Simplify right side
87,404.26x = 5,929,765,203.24 - Step 5: Solve for x
x = 5,929,765,203.24/87,404.26 - Step 6: Final answer
x = 67,842.98
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1.5x scale
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.