Finding the Fourth Proportional to 75,033.26, 112,550.08 and 30,660.01
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Solution
The fourth proportional to 75,033.26, 112,550.08 and 30,660.01 is: 45,990.09
Step by Step Solution
- Step 1: Write the proportion equation
75,033.26 : 112,550.08 = 30,660.01 : x - Step 2: Convert to fraction form
75,033.26/112,550.08 = 30,660.01/x - Step 3: Cross multiply
75,033.26x = 112,550.08 × 30,660.01 - Step 4: Simplify right side
75,033.26x = 3,450,786,578.30 - Step 5: Solve for x
x = 3,450,786,578.30/75,033.26 - Step 6: Final answer
x = 45,990.09
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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.