Finding the Fourth Proportional to 83,248.40, 124,872.60 and 27,093.80
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Solution
The fourth proportional to 83,248.40, 124,872.60 and 27,093.80 is: 40,640.70
Step by Step Solution
- Step 1: Write the proportion equation
83,248.40 : 124,872.60 = 27,093.80 : x - Step 2: Convert to fraction form
83,248.40/124,872.60 = 27,093.80/x - Step 3: Cross multiply
83,248.40x = 124,872.60 × 27,093.80 - Step 4: Simplify right side
83,248.40x = 3,383,273,249.88 - Step 5: Solve for x
x = 3,383,273,249.88/83,248.40 - Step 6: Final answer
x = 40,640.70
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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.