Finding the Fourth Proportional to 73,936.20, 110,882.70 and 26,545.80
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Solution
The fourth proportional to 73,936.20, 110,882.70 and 26,545.80 is: 39,810.94
Step by Step Solution
- Step 1: Write the proportion equation
73,936.20 : 110,882.70 = 26,545.80 : x - Step 2: Convert to fraction form
73,936.20/110,882.70 = 26,545.80/x - Step 3: Cross multiply
73,936.20x = 110,882.70 × 26,545.80 - Step 4: Simplify right side
73,936.20x = 2,943,469,977.66 - Step 5: Solve for x
x = 2,943,469,977.66/73,936.20 - Step 6: Final answer
x = 39,810.94
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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.