Finding the Fourth Proportional to 96,947.91, 133,733.49 and 58,175.71
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Solution
The fourth proportional to 96,947.91, 133,733.49 and 58,175.71 is: 80,249.69
Step by Step Solution
- Step 1: Write the proportion equation
96,947.91 : 133,733.49 = 58,175.71 : x - Step 2: Convert to fraction form
96,947.91/133,733.49 = 58,175.71/x - Step 3: Cross multiply
96,947.91x = 133,733.49 × 58,175.71 - Step 4: Simplify right side
96,947.91x = 7,780,040,179.04 - Step 5: Solve for x
x = 7,780,040,179.04/96,947.91 - Step 6: Final answer
x = 80,249.69
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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.