Finding the Fourth Proportional to 95,896.36, 132,393.68 and 85,256.55
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Solution
The fourth proportional to 95,896.36, 132,393.68 and 85,256.55 is: 117,704.45
Step by Step Solution
- Step 1: Write the proportion equation
95,896.36 : 132,393.68 = 85,256.55 : x - Step 2: Convert to fraction form
95,896.36/132,393.68 = 85,256.55/x - Step 3: Cross multiply
95,896.36x = 132,393.68 × 85,256.55 - Step 4: Simplify right side
95,896.36x = 11,287,428,292.03 - Step 5: Solve for x
x = 11,287,428,292.03/95,896.36 - Step 6: Final answer
x = 117,704.45
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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.