Finding the Fourth Proportional to 82,216.05, 113,445.99 and 48,211.71
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Solution
The fourth proportional to 82,216.05, 113,445.99 and 48,211.71 is: 66,525.03
Step by Step Solution
- Step 1: Write the proportion equation
82,216.05 : 113,445.99 = 48,211.71 : x - Step 2: Convert to fraction form
82,216.05/113,445.99 = 48,211.71/x - Step 3: Cross multiply
82,216.05x = 113,445.99 × 48,211.71 - Step 4: Simplify right side
82,216.05x = 5,469,425,170.54 - Step 5: Solve for x
x = 5,469,425,170.54/82,216.05 - Step 6: Final answer
x = 66,525.03
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1.5x scale
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.