Finding the Fourth Proportional to 73,441.50, 110,161.98 and 20,850.99
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Solution
The fourth proportional to 73,441.50, 110,161.98 and 20,850.99 is: 31,276.41
Step by Step Solution
- Step 1: Write the proportion equation
73,441.50 : 110,161.98 = 20,850.99 : x - Step 2: Convert to fraction form
73,441.50/110,161.98 = 20,850.99/x - Step 3: Cross multiply
73,441.50x = 110,161.98 × 20,850.99 - Step 4: Simplify right side
73,441.50x = 2,296,986,343.36 - Step 5: Solve for x
x = 2,296,986,343.36/73,441.50 - Step 6: Final answer
x = 31,276.41
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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.