Finding the Fourth Proportional to 123,613.56, 170,586 and 67,023.72
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Solution
The fourth proportional to 123,613.56, 170,586 and 67,023.72 is: 92,492.35
Step by Step Solution
- Step 1: Write the proportion equation
123,613.56 : 170,586 = 67,023.72 : x - Step 2: Convert to fraction form
123,613.56/170,586 = 67,023.72/x - Step 3: Cross multiply
123,613.56x = 170,586 × 67,023.72 - Step 4: Simplify right side
123,613.56x = 11,433,308,299.92 - Step 5: Solve for x
x = 11,433,308,299.92/123,613.56 - Step 6: Final answer
x = 92,492.35
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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.