Finding the Fourth Proportional to 89,622.36, 134,433.56 and 27,292.88
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Solution
The fourth proportional to 89,622.36, 134,433.56 and 27,292.88 is: 40,939.33
Step by Step Solution
- Step 1: Write the proportion equation
89,622.36 : 134,433.56 = 27,292.88 : x - Step 2: Convert to fraction form
89,622.36/134,433.56 = 27,292.88/x - Step 3: Cross multiply
89,622.36x = 134,433.56 × 27,292.88 - Step 4: Simplify right side
89,622.36x = 3,669,079,021.05 - Step 5: Solve for x
x = 3,669,079,021.05/89,622.36 - Step 6: Final answer
x = 40,939.33
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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.