Finding the Fourth Proportional to 75,326.26, 112,990.11 and 22,736.20
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Solution
The fourth proportional to 75,326.26, 112,990.11 and 22,736.20 is: 34,104.52
Step by Step Solution
- Step 1: Write the proportion equation
75,326.26 : 112,990.11 = 22,736.20 : x - Step 2: Convert to fraction form
75,326.26/112,990.11 = 22,736.20/x - Step 3: Cross multiply
75,326.26x = 112,990.11 × 22,736.20 - Step 4: Simplify right side
75,326.26x = 2,568,965,738.98 - Step 5: Solve for x
x = 2,568,965,738.98/75,326.26 - Step 6: Final answer
x = 34,104.52
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1.5x scale
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.