Finding the Fourth Proportional to 75,879.18, 113,803.06 and 22,571.46
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Solution
The fourth proportional to 75,879.18, 113,803.06 and 22,571.46 is: 33,852.52
Step by Step Solution
- Step 1: Write the proportion equation
75,879.18 : 113,803.06 = 22,571.46 : x - Step 2: Convert to fraction form
75,879.18/113,803.06 = 22,571.46/x - Step 3: Cross multiply
75,879.18x = 113,803.06 × 22,571.46 - Step 4: Simplify right side
75,879.18x = 2,568,701,216.67 - Step 5: Solve for x
x = 2,568,701,216.67/75,879.18 - Step 6: Final answer
x = 33,852.52
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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.