Finding the Fourth Proportional to 66,672.99, 100,014.78 and 22,299.96
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Solution
The fourth proportional to 66,672.99, 100,014.78 and 22,299.96 is: 33,451.71
Step by Step Solution
- Step 1: Write the proportion equation
66,672.99 : 100,014.78 = 22,299.96 : x - Step 2: Convert to fraction form
66,672.99/100,014.78 = 22,299.96/x - Step 3: Cross multiply
66,672.99x = 100,014.78 × 22,299.96 - Step 4: Simplify right side
66,672.99x = 2,230,325,593.41 - Step 5: Solve for x
x = 2,230,325,593.41/66,672.99 - Step 6: Final answer
x = 33,451.71
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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.