Finding the Fourth Proportional to 96,340.38, 132,917.28 and 56,020.99
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Solution
The fourth proportional to 96,340.38, 132,917.28 and 56,020.99 is: 77,290.10
Step by Step Solution
- Step 1: Write the proportion equation
96,340.38 : 132,917.28 = 56,020.99 : x - Step 2: Convert to fraction form
96,340.38/132,917.28 = 56,020.99/x - Step 3: Cross multiply
96,340.38x = 132,917.28 × 56,020.99 - Step 4: Simplify right side
96,340.38x = 7,446,157,613.71 - Step 5: Solve for x
x = 7,446,157,613.71/96,340.38 - Step 6: Final answer
x = 77,290.10
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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.