Finding the Fourth Proportional to 69,414.13, 104,120.28 and 16,824.07
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Solution
The fourth proportional to 69,414.13, 104,120.28 and 16,824.07 is: 25,235.88
Step by Step Solution
- Step 1: Write the proportion equation
69,414.13 : 104,120.28 = 16,824.07 : x - Step 2: Convert to fraction form
69,414.13/104,120.28 = 16,824.07/x - Step 3: Cross multiply
69,414.13x = 104,120.28 × 16,824.07 - Step 4: Simplify right side
69,414.13x = 1,751,726,879.14 - Step 5: Solve for x
x = 1,751,726,879.14/69,414.13 - Step 6: Final answer
x = 25,235.88
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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.