Finding the Fourth Proportional to 80,865.26, 121,339.17 and 33,516.14
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Solution
The fourth proportional to 80,865.26, 121,339.17 and 33,516.14 is: 50,291.32
Step by Step Solution
- Step 1: Write the proportion equation
80,865.26 : 121,339.17 = 33,516.14 : x - Step 2: Convert to fraction form
80,865.26/121,339.17 = 33,516.14/x - Step 3: Cross multiply
80,865.26x = 121,339.17 × 33,516.14 - Step 4: Simplify right side
80,865.26x = 4,066,820,609.20 - Step 5: Solve for x
x = 4,066,820,609.20/80,865.26 - Step 6: Final answer
x = 50,291.32
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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.