Finding the Fourth Proportional to 78,163.92, 107,880.75 and 44,629.92
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Solution
The fourth proportional to 78,163.92, 107,880.75 and 44,629.92 is: 61,597.59
Step by Step Solution
- Step 1: Write the proportion equation
78,163.92 : 107,880.75 = 44,629.92 : x - Step 2: Convert to fraction form
78,163.92/107,880.75 = 44,629.92/x - Step 3: Cross multiply
78,163.92x = 107,880.75 × 44,629.92 - Step 4: Simplify right side
78,163.92x = 4,814,709,242.04 - Step 5: Solve for x
x = 4,814,709,242.04/78,163.92 - Step 6: Final answer
x = 61,597.59
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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.