Finding the Fourth Proportional to 113,329.91, 170,000.94 and 29,090.84
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Solution
The fourth proportional to 113,329.91, 170,000.94 and 29,090.84 is: 43,637.81
Step by Step Solution
- Step 1: Write the proportion equation
113,329.91 : 170,000.94 = 29,090.84 : x - Step 2: Convert to fraction form
113,329.91/170,000.94 = 29,090.84/x - Step 3: Cross multiply
113,329.91x = 170,000.94 × 29,090.84 - Step 4: Simplify right side
113,329.91x = 4,945,469,295.38 - Step 5: Solve for x
x = 4,945,469,295.38/113,329.91 - Step 6: Final answer
x = 43,637.81
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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.