Finding the Fourth Proportional to 83,195.80, 124,793.70 and 33,299.80
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Solution
The fourth proportional to 83,195.80, 124,793.70 and 33,299.80 is: 49,949.70
Step by Step Solution
- Step 1: Write the proportion equation
83,195.80 : 124,793.70 = 33,299.80 : x - Step 2: Convert to fraction form
83,195.80/124,793.70 = 33,299.80/x - Step 3: Cross multiply
83,195.80x = 124,793.70 × 33,299.80 - Step 4: Simplify right side
83,195.80x = 4,155,605,251.26 - Step 5: Solve for x
x = 4,155,605,251.26/83,195.80 - Step 6: Final answer
x = 49,949.70
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Double scale
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Similar ratio
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1.5x scale
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.