Finding the Fourth Proportional to 117,626.87, 162,324.75 and 63,912.08
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Solution
The fourth proportional to 117,626.87, 162,324.75 and 63,912.08 is: 88,198.49
Step by Step Solution
- Step 1: Write the proportion equation
117,626.87 : 162,324.75 = 63,912.08 : x - Step 2: Convert to fraction form
117,626.87/162,324.75 = 63,912.08/x - Step 3: Cross multiply
117,626.87x = 162,324.75 × 63,912.08 - Step 4: Simplify right side
117,626.87x = 10,374,511,596.36 - Step 5: Solve for x
x = 10,374,511,596.36/117,626.87 - Step 6: Final answer
x = 88,198.49
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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.