Finding the Fourth Proportional to 68,327.87, 102,491.81 and 36,694.41
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Solution
The fourth proportional to 68,327.87, 102,491.81 and 36,694.41 is: 55,041.62
Step by Step Solution
- Step 1: Write the proportion equation
68,327.87 : 102,491.81 = 36,694.41 : x - Step 2: Convert to fraction form
68,327.87/102,491.81 = 36,694.41/x - Step 3: Cross multiply
68,327.87x = 102,491.81 × 36,694.41 - Step 4: Simplify right side
68,327.87x = 3,760,876,314.31 - Step 5: Solve for x
x = 3,760,876,314.31/68,327.87 - Step 6: Final answer
x = 55,041.62
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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.