Finding the Fourth Proportional to 86,269.46, 119,024.37 and 48,536.42
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Solution
The fourth proportional to 86,269.46, 119,024.37 and 48,536.42 is: 66,964.79
Step by Step Solution
- Step 1: Write the proportion equation
86,269.46 : 119,024.37 = 48,536.42 : x - Step 2: Convert to fraction form
86,269.46/119,024.37 = 48,536.42/x - Step 3: Cross multiply
86,269.46x = 119,024.37 × 48,536.42 - Step 4: Simplify right side
86,269.46x = 5,777,016,217.43 - Step 5: Solve for x
x = 5,777,016,217.43/86,269.46 - Step 6: Final answer
x = 66,964.79
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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.