Finding the Fourth Proportional to 67,872.60, 102,027.60 and 48,286.80
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Solution
The fourth proportional to 67,872.60, 102,027.60 and 48,286.80 is: 72,585.79
Step by Step Solution
- Step 1: Write the proportion equation
67,872.60 : 102,027.60 = 48,286.80 : x - Step 2: Convert to fraction form
67,872.60/102,027.60 = 48,286.80/x - Step 3: Cross multiply
67,872.60x = 102,027.60 × 48,286.80 - Step 4: Simplify right side
67,872.60x = 4,926,586,315.68 - Step 5: Solve for x
x = 4,926,586,315.68/67,872.60 - Step 6: Final answer
x = 72,585.79
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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.