Finding the Fourth Proportional to 69,942.11, 104,944.16 and 36,654.26
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Solution
The fourth proportional to 69,942.11, 104,944.16 and 36,654.26 is: 54,997.63
Step by Step Solution
- Step 1: Write the proportion equation
69,942.11 : 104,944.16 = 36,654.26 : x - Step 2: Convert to fraction form
69,942.11/104,944.16 = 36,654.26/x - Step 3: Cross multiply
69,942.11x = 104,944.16 × 36,654.26 - Step 4: Simplify right side
69,942.11x = 3,846,649,818.13 - Step 5: Solve for x
x = 3,846,649,818.13/69,942.11 - Step 6: Final answer
x = 54,997.63
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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.