Finding the Fourth Proportional to 71,559.87, 107,336.39 and 27,183.17
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Solution
The fourth proportional to 71,559.87, 107,336.39 and 27,183.17 is: 40,773.45
Step by Step Solution
- Step 1: Write the proportion equation
71,559.87 : 107,336.39 = 27,183.17 : x - Step 2: Convert to fraction form
71,559.87/107,336.39 = 27,183.17/x - Step 3: Cross multiply
71,559.87x = 107,336.39 × 27,183.17 - Step 4: Simplify right side
71,559.87x = 2,917,742,663.96 - Step 5: Solve for x
x = 2,917,742,663.96/71,559.87 - Step 6: Final answer
x = 40,773.45
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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.