Finding the Fourth Proportional to 95,835.87, 132,163.79 and 75,740.75
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Solution
The fourth proportional to 95,835.87, 132,163.79 and 75,740.75 is: 104,451.32
Step by Step Solution
- Step 1: Write the proportion equation
95,835.87 : 132,163.79 = 75,740.75 : x - Step 2: Convert to fraction form
95,835.87/132,163.79 = 75,740.75/x - Step 3: Cross multiply
95,835.87x = 132,163.79 × 75,740.75 - Step 4: Simplify right side
95,835.87x = 10,010,183,537.92 - Step 5: Solve for x
x = 10,010,183,537.92/95,835.87 - Step 6: Final answer
x = 104,451.32
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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.