Finding the Fourth Proportional to 113,828.76, 170,743.55 and 34,942.99
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Solution
The fourth proportional to 113,828.76, 170,743.55 and 34,942.99 is: 52,414.61
Step by Step Solution
- Step 1: Write the proportion equation
113,828.76 : 170,743.55 = 34,942.99 : x - Step 2: Convert to fraction form
113,828.76/170,743.55 = 34,942.99/x - Step 3: Cross multiply
113,828.76x = 170,743.55 × 34,942.99 - Step 4: Simplify right side
113,828.76x = 5,966,290,160.21 - Step 5: Solve for x
x = 5,966,290,160.21/113,828.76 - Step 6: Final answer
x = 52,414.61
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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.