Finding the Fourth Proportional to 71,913.24, 107,873.10 and 27,528.48
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Solution
The fourth proportional to 71,913.24, 107,873.10 and 27,528.48 is: 41,293.96
Step by Step Solution
- Step 1: Write the proportion equation
71,913.24 : 107,873.10 = 27,528.48 : x - Step 2: Convert to fraction form
71,913.24/107,873.10 = 27,528.48/x - Step 3: Cross multiply
71,913.24x = 107,873.10 × 27,528.48 - Step 4: Simplify right side
71,913.24x = 2,969,582,475.89 - Step 5: Solve for x
x = 2,969,582,475.89/71,913.24 - Step 6: Final answer
x = 41,293.96
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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.