Finding the Fourth Proportional to 66,819.99, 100,212.44 and 24,712.09
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Solution
The fourth proportional to 66,819.99, 100,212.44 and 24,712.09 is: 37,061.64
Step by Step Solution
- Step 1: Write the proportion equation
66,819.99 : 100,212.44 = 24,712.09 : x - Step 2: Convert to fraction form
66,819.99/100,212.44 = 24,712.09/x - Step 3: Cross multiply
66,819.99x = 100,212.44 × 24,712.09 - Step 4: Simplify right side
66,819.99x = 2,476,458,601.31 - Step 5: Solve for x
x = 2,476,458,601.31/66,819.99 - Step 6: Final answer
x = 37,061.64
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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.