Finding the Fourth Proportional to 82,220.10, 113,464.29 and 48,248.70
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Solution
The fourth proportional to 82,220.10, 113,464.29 and 48,248.70 is: 66,583.53
Step by Step Solution
- Step 1: Write the proportion equation
82,220.10 : 113,464.29 = 48,248.70 : x - Step 2: Convert to fraction form
82,220.10/113,464.29 = 48,248.70/x - Step 3: Cross multiply
82,220.10x = 113,464.29 × 48,248.70 - Step 4: Simplify right side
82,220.10x = 5,474,504,488.92 - Step 5: Solve for x
x = 5,474,504,488.92/82,220.10 - Step 6: Final answer
x = 66,583.53
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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.