Finding the Fourth Proportional to 67,202.87, 100,733.90 and 25,065.99
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Solution
The fourth proportional to 67,202.87, 100,733.90 and 25,065.99 is: 37,572.73
Step by Step Solution
- Step 1: Write the proportion equation
67,202.87 : 100,733.90 = 25,065.99 : x - Step 2: Convert to fraction form
67,202.87/100,733.90 = 25,065.99/x - Step 3: Cross multiply
67,202.87x = 100,733.90 × 25,065.99 - Step 4: Simplify right side
67,202.87x = 2,524,994,804.73 - Step 5: Solve for x
x = 2,524,994,804.73/67,202.87 - Step 6: Final answer
x = 37,572.73
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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.