Finding the Fourth Proportional to 80,650.44, 120,988.62 and 33,916.68
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Solution
The fourth proportional to 80,650.44, 120,988.62 and 33,916.68 is: 50,880.47
Step by Step Solution
- Step 1: Write the proportion equation
80,650.44 : 120,988.62 = 33,916.68 : x - Step 2: Convert to fraction form
80,650.44/120,988.62 = 33,916.68/x - Step 3: Cross multiply
80,650.44x = 120,988.62 × 33,916.68 - Step 4: Simplify right side
80,650.44x = 4,103,532,308.18 - Step 5: Solve for x
x = 4,103,532,308.18/80,650.44 - Step 6: Final answer
x = 50,880.47
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.