Finding the Fourth Proportional to 71,697.99, 107,450.11 and 27,300.53
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Solution
The fourth proportional to 71,697.99, 107,450.11 and 27,300.53 is: 40,913.90
Step by Step Solution
- Step 1: Write the proportion equation
71,697.99 : 107,450.11 = 27,300.53 : x - Step 2: Convert to fraction form
71,697.99/107,450.11 = 27,300.53/x - Step 3: Cross multiply
71,697.99x = 107,450.11 × 27,300.53 - Step 4: Simplify right side
71,697.99x = 2,933,444,819.99 - Step 5: Solve for x
x = 2,933,444,819.99/71,697.99 - Step 6: Final answer
x = 40,913.90
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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.