Finding the Fourth Proportional to 67,230.88, 100,787.76 and 48,464.80
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Solution
The fourth proportional to 67,230.88, 100,787.76 and 48,464.80 is: 72,654.99
Step by Step Solution
- Step 1: Write the proportion equation
67,230.88 : 100,787.76 = 48,464.80 : x - Step 2: Convert to fraction form
67,230.88/100,787.76 = 48,464.80/x - Step 3: Cross multiply
67,230.88x = 100,787.76 × 48,464.80 - Step 4: Simplify right side
67,230.88x = 4,884,658,630.85 - Step 5: Solve for x
x = 4,884,658,630.85/67,230.88 - Step 6: Final answer
x = 72,654.99
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1.5x scale
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.