Finding the Fourth Proportional to 75,489.92, 104,166.24 and 41,949.44
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Solution
The fourth proportional to 75,489.92, 104,166.24 and 41,949.44 is: 57,884.75
Step by Step Solution
- Step 1: Write the proportion equation
75,489.92 : 104,166.24 = 41,949.44 : x - Step 2: Convert to fraction form
75,489.92/104,166.24 = 41,949.44/x - Step 3: Cross multiply
75,489.92x = 104,166.24 × 41,949.44 - Step 4: Simplify right side
75,489.92x = 4,369,715,434.91 - Step 5: Solve for x
x = 4,369,715,434.91/75,489.92 - Step 6: Final answer
x = 57,884.75
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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.