Finding the Fourth Proportional to 82,956.75, 124,559.73 and 47,458.14
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Solution
The fourth proportional to 82,956.75, 124,559.73 and 47,458.14 is: 71,258.49
Step by Step Solution
- Step 1: Write the proportion equation
82,956.75 : 124,559.73 = 47,458.14 : x - Step 2: Convert to fraction form
82,956.75/124,559.73 = 47,458.14/x - Step 3: Cross multiply
82,956.75x = 124,559.73 × 47,458.14 - Step 4: Simplify right side
82,956.75x = 5,911,373,104.70 - Step 5: Solve for x
x = 5,911,373,104.70/82,956.75 - Step 6: Final answer
x = 71,258.49
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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.