Finding the Fourth Proportional to 125,622.06, 173,368.11 and 71,923.98
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Solution
The fourth proportional to 125,622.06, 173,368.11 and 71,923.98 is: 99,260.63
Step by Step Solution
- Step 1: Write the proportion equation
125,622.06 : 173,368.11 = 71,923.98 : x - Step 2: Convert to fraction form
125,622.06/173,368.11 = 71,923.98/x - Step 3: Cross multiply
125,622.06x = 173,368.11 × 71,923.98 - Step 4: Simplify right side
125,622.06x = 12,469,324,476.28 - Step 5: Solve for x
x = 12,469,324,476.28/125,622.06 - Step 6: Final answer
x = 99,260.63
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.