Finding the Fourth Proportional to 75,879.27, 113,818.84 and 22,571.03
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Solution
The fourth proportional to 75,879.27, 113,818.84 and 22,571.03 is: 33,856.53
Step by Step Solution
- Step 1: Write the proportion equation
75,879.27 : 113,818.84 = 22,571.03 : x - Step 2: Convert to fraction form
75,879.27/113,818.84 = 22,571.03/x - Step 3: Cross multiply
75,879.27x = 113,818.84 × 22,571.03 - Step 4: Simplify right side
75,879.27x = 2,569,008,680.32 - Step 5: Solve for x
x = 2,569,008,680.32/75,879.27 - Step 6: Final answer
x = 33,856.53
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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.