Finding the Fourth Proportional to 76,933.11, 115,414.61 and 29,544.72
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Solution
The fourth proportional to 76,933.11, 115,414.61 and 29,544.72 is: 44,322.82
Step by Step Solution
- Step 1: Write the proportion equation
76,933.11 : 115,414.61 = 29,544.72 : x - Step 2: Convert to fraction form
76,933.11/115,414.61 = 29,544.72/x - Step 3: Cross multiply
76,933.11x = 115,414.61 × 29,544.72 - Step 4: Simplify right side
76,933.11x = 3,409,892,336.36 - Step 5: Solve for x
x = 3,409,892,336.36/76,933.11 - Step 6: Final answer
x = 44,322.82
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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.