Finding the Fourth Proportional to 71,626.14, 107,439.21 and 27,242.64
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Solution
The fourth proportional to 71,626.14, 107,439.21 and 27,242.64 is: 40,863.96
Step by Step Solution
- Step 1: Write the proportion equation
71,626.14 : 107,439.21 = 27,242.64 : x - Step 2: Convert to fraction form
71,626.14/107,439.21 = 27,242.64/x - Step 3: Cross multiply
71,626.14x = 107,439.21 × 27,242.64 - Step 4: Simplify right side
71,626.14x = 2,926,927,719.91 - Step 5: Solve for x
x = 2,926,927,719.91/71,626.14 - Step 6: Final answer
x = 40,863.96
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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.