Finding the Fourth Proportional to 80,458.11, 111,028.83 and 44,645.99
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Solution
The fourth proportional to 80,458.11, 111,028.83 and 44,645.99 is: 61,609.59
Step by Step Solution
- Step 1: Write the proportion equation
80,458.11 : 111,028.83 = 44,645.99 : x - Step 2: Convert to fraction form
80,458.11/111,028.83 = 44,645.99/x - Step 3: Cross multiply
80,458.11x = 111,028.83 × 44,645.99 - Step 4: Simplify right side
80,458.11x = 4,956,991,311.33 - Step 5: Solve for x
x = 4,956,991,311.33/80,458.11 - Step 6: Final answer
x = 61,609.59
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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.