Finding the Fourth Proportional to 81,594.04, 122,367.54 and 22,431.64
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Solution
The fourth proportional to 81,594.04, 122,367.54 and 22,431.64 is: 33,640.99
Step by Step Solution
- Step 1: Write the proportion equation
81,594.04 : 122,367.54 = 22,431.64 : x - Step 2: Convert to fraction form
81,594.04/122,367.54 = 22,431.64/x - Step 3: Cross multiply
81,594.04x = 122,367.54 × 22,431.64 - Step 4: Simplify right side
81,594.04x = 2,744,904,604.97 - Step 5: Solve for x
x = 2,744,904,604.97/81,594.04 - Step 6: Final answer
x = 33,640.99
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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.