Finding the Fourth Proportional to 80,371.74, 110,912.48 and 44,561.75
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Solution
The fourth proportional to 80,371.74, 110,912.48 and 44,561.75 is: 61,494.92
Step by Step Solution
- Step 1: Write the proportion equation
80,371.74 : 110,912.48 = 44,561.75 : x - Step 2: Convert to fraction form
80,371.74/110,912.48 = 44,561.75/x - Step 3: Cross multiply
80,371.74x = 110,912.48 × 44,561.75 - Step 4: Simplify right side
80,371.74x = 4,942,453,428.27 - Step 5: Solve for x
x = 4,942,453,428.27/80,371.74 - Step 6: Final answer
x = 61,494.92
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.