Finding the Fourth Proportional to 67,861.08, 101,721.94 and 28,441.08
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Solution
The fourth proportional to 67,861.08, 101,721.94 and 28,441.08 is: 42,632.42
Step by Step Solution
- Step 1: Write the proportion equation
67,861.08 : 101,721.94 = 28,441.08 : x - Step 2: Convert to fraction form
67,861.08/101,721.94 = 28,441.08/x - Step 3: Cross multiply
67,861.08x = 101,721.94 × 28,441.08 - Step 4: Simplify right side
67,861.08x = 2,893,081,833.30 - Step 5: Solve for x
x = 2,893,081,833.30/67,861.08 - Step 6: Final answer
x = 42,632.42
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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.