Finding the Fourth Proportional to 80,339.76, 110,868.84 and 48,516.48
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Solution
The fourth proportional to 80,339.76, 110,868.84 and 48,516.48 is: 66,952.73
Step by Step Solution
- Step 1: Write the proportion equation
80,339.76 : 110,868.84 = 48,516.48 : x - Step 2: Convert to fraction form
80,339.76/110,868.84 = 48,516.48/x - Step 3: Cross multiply
80,339.76x = 110,868.84 × 48,516.48 - Step 4: Simplify right side
80,339.76x = 5,378,965,858.48 - Step 5: Solve for x
x = 5,378,965,858.48/80,339.76 - Step 6: Final answer
x = 66,952.73
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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.