Finding the Fourth Proportional to 89,617.75, 134,446.08 and 27,286.63
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Solution
The fourth proportional to 89,617.75, 134,446.08 and 27,286.63 is: 40,935.87
Step by Step Solution
- Step 1: Write the proportion equation
89,617.75 : 134,446.08 = 27,286.63 : x - Step 2: Convert to fraction form
89,617.75/134,446.08 = 27,286.63/x - Step 3: Cross multiply
89,617.75x = 134,446.08 × 27,286.63 - Step 4: Simplify right side
89,617.75x = 3,668,580,439.91 - Step 5: Solve for x
x = 3,668,580,439.91/89,617.75 - Step 6: Final answer
x = 40,935.87
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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.