Finding the Fourth Proportional to 75,722.94, 113,586.27 and 36,236.70
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Solution
The fourth proportional to 75,722.94, 113,586.27 and 36,236.70 is: 54,355.94
Step by Step Solution
- Step 1: Write the proportion equation
75,722.94 : 113,586.27 = 36,236.70 : x - Step 2: Convert to fraction form
75,722.94/113,586.27 = 36,236.70/x - Step 3: Cross multiply
75,722.94x = 113,586.27 × 36,236.70 - Step 4: Simplify right side
75,722.94x = 4,115,991,590.11 - Step 5: Solve for x
x = 4,115,991,590.11/75,722.94 - Step 6: Final answer
x = 54,355.94
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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.