Finding the Fourth Proportional to 73,992.12, 102,114.34 and 41,729.62
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Solution
The fourth proportional to 73,992.12, 102,114.34 and 41,729.62 is: 57,589.82
Step by Step Solution
- Step 1: Write the proportion equation
73,992.12 : 102,114.34 = 41,729.62 : x - Step 2: Convert to fraction form
73,992.12/102,114.34 = 41,729.62/x - Step 3: Cross multiply
73,992.12x = 102,114.34 × 41,729.62 - Step 4: Simplify right side
73,992.12x = 4,261,192,604.75 - Step 5: Solve for x
x = 4,261,192,604.75/73,992.12 - Step 6: Final answer
x = 57,589.82
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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.