Finding the Fourth Proportional to 90,125.62, 135,190.26 and 27,796.12
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Solution
The fourth proportional to 90,125.62, 135,190.26 and 27,796.12 is: 41,694.74
Step by Step Solution
- Step 1: Write the proportion equation
90,125.62 : 135,190.26 = 27,796.12 : x - Step 2: Convert to fraction form
90,125.62/135,190.26 = 27,796.12/x - Step 3: Cross multiply
90,125.62x = 135,190.26 × 27,796.12 - Step 4: Simplify right side
90,125.62x = 3,757,764,689.79 - Step 5: Solve for x
x = 3,757,764,689.79/90,125.62 - Step 6: Final answer
x = 41,694.74
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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.