Finding the Fourth Proportional to 80,771.26, 121,176.09 and 25,367.26
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Solution
The fourth proportional to 80,771.26, 121,176.09 and 25,367.26 is: 38,056.92
Step by Step Solution
- Step 1: Write the proportion equation
80,771.26 : 121,176.09 = 25,367.26 : x - Step 2: Convert to fraction form
80,771.26/121,176.09 = 25,367.26/x - Step 3: Cross multiply
80,771.26x = 121,176.09 × 25,367.26 - Step 4: Simplify right side
80,771.26x = 3,073,905,380.81 - Step 5: Solve for x
x = 3,073,905,380.81/80,771.26 - Step 6: Final answer
x = 38,056.92
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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.