Finding the Fourth Proportional to 96,317.10, 132,917.94 and 53,872.92
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Solution
The fourth proportional to 96,317.10, 132,917.94 and 53,872.92 is: 74,344.82
Step by Step Solution
- Step 1: Write the proportion equation
96,317.10 : 132,917.94 = 53,872.92 : x - Step 2: Convert to fraction form
96,317.10/132,917.94 = 53,872.92/x - Step 3: Cross multiply
96,317.10x = 132,917.94 × 53,872.92 - Step 4: Simplify right side
96,317.10x = 7,160,677,548.18 - Step 5: Solve for x
x = 7,160,677,548.18/96,317.10 - Step 6: Final answer
x = 74,344.82
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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.