Finding the Fourth Proportional to 78,163.24, 107,863.84 and 44,170.98
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Solution
The fourth proportional to 78,163.24, 107,863.84 and 44,170.98 is: 60,955.14
Step by Step Solution
- Step 1: Write the proportion equation
78,163.24 : 107,863.84 = 44,170.98 : x - Step 2: Convert to fraction form
78,163.24/107,863.84 = 44,170.98/x - Step 3: Cross multiply
78,163.24x = 107,863.84 × 44,170.98 - Step 4: Simplify right side
78,163.24x = 4,764,451,519.36 - Step 5: Solve for x
x = 4,764,451,519.36/78,163.24 - Step 6: Final answer
x = 60,955.14
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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.