Finding the Fourth Proportional to 91,286.26, 125,824.49 and 61,060.70
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Solution
The fourth proportional to 91,286.26, 125,824.49 and 61,060.70 is: 84,163.07
Step by Step Solution
- Step 1: Write the proportion equation
91,286.26 : 125,824.49 = 61,060.70 : x - Step 2: Convert to fraction form
91,286.26/125,824.49 = 61,060.70/x - Step 3: Cross multiply
91,286.26x = 125,824.49 × 61,060.70 - Step 4: Simplify right side
91,286.26x = 7,682,931,674.78 - Step 5: Solve for x
x = 7,682,931,674.78/91,286.26 - Step 6: Final answer
x = 84,163.07
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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.