Finding the Fourth Proportional to 75,932.58, 113,879.16 and 22,612.08
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Solution
The fourth proportional to 75,932.58, 113,879.16 and 22,612.08 is: 33,912.25
Step by Step Solution
- Step 1: Write the proportion equation
75,932.58 : 113,879.16 = 22,612.08 : x - Step 2: Convert to fraction form
75,932.58/113,879.16 = 22,612.08/x - Step 3: Cross multiply
75,932.58x = 113,879.16 × 22,612.08 - Step 4: Simplify right side
75,932.58x = 2,575,044,676.25 - Step 5: Solve for x
x = 2,575,044,676.25/75,932.58 - Step 6: Final answer
x = 33,912.25
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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.