Finding the Fourth Proportional to 75,490.26, 113,266.44 and 33,348.12
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Solution
The fourth proportional to 75,490.26, 113,266.44 and 33,348.12 is: 50,035.90
Step by Step Solution
- Step 1: Write the proportion equation
75,490.26 : 113,266.44 = 33,348.12 : x - Step 2: Convert to fraction form
75,490.26/113,266.44 = 33,348.12/x - Step 3: Cross multiply
75,490.26x = 113,266.44 × 33,348.12 - Step 4: Simplify right side
75,490.26x = 3,777,222,833.09 - Step 5: Solve for x
x = 3,777,222,833.09/75,490.26 - Step 6: Final answer
x = 50,035.90
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.