Finding the Fourth Proportional to 80,234.68, 110,689.04 and 48,385.84
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Solution
The fourth proportional to 80,234.68, 110,689.04 and 48,385.84 is: 66,751.46
Step by Step Solution
- Step 1: Write the proportion equation
80,234.68 : 110,689.04 = 48,385.84 : x - Step 2: Convert to fraction form
80,234.68/110,689.04 = 48,385.84/x - Step 3: Cross multiply
80,234.68x = 110,689.04 × 48,385.84 - Step 4: Simplify right side
80,234.68x = 5,355,782,179.19 - Step 5: Solve for x
x = 5,355,782,179.19/80,234.68 - Step 6: Final answer
x = 66,751.46
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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.