Finding the Fourth Proportional to 67,121.33, 100,619.10 and 22,716.99
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Solution
The fourth proportional to 67,121.33, 100,619.10 and 22,716.99 is: 34,054.20
Step by Step Solution
- Step 1: Write the proportion equation
67,121.33 : 100,619.10 = 22,716.99 : x - Step 2: Convert to fraction form
67,121.33/100,619.10 = 22,716.99/x - Step 3: Cross multiply
67,121.33x = 100,619.10 × 22,716.99 - Step 4: Simplify right side
67,121.33x = 2,285,763,088.51 - Step 5: Solve for x
x = 2,285,763,088.51/67,121.33 - Step 6: Final answer
x = 34,054.20
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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.