Finding the Fourth Proportional to 95,953.40, 132,414.21 and 55,674.09
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Solution
The fourth proportional to 95,953.40, 132,414.21 and 55,674.09 is: 76,829.39
Step by Step Solution
- Step 1: Write the proportion equation
95,953.40 : 132,414.21 = 55,674.09 : x - Step 2: Convert to fraction form
95,953.40/132,414.21 = 55,674.09/x - Step 3: Cross multiply
95,953.40x = 132,414.21 × 55,674.09 - Step 4: Simplify right side
95,953.40x = 7,372,040,644.82 - Step 5: Solve for x
x = 7,372,040,644.82/95,953.40 - Step 6: Final answer
x = 76,829.39
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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.