Finding the Fourth Proportional to 82,237.98, 113,489.35 and 48,247.06
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Solution
The fourth proportional to 82,237.98, 113,489.35 and 48,247.06 is: 66,581.49
Step by Step Solution
- Step 1: Write the proportion equation
82,237.98 : 113,489.35 = 48,247.06 : x - Step 2: Convert to fraction form
82,237.98/113,489.35 = 48,247.06/x - Step 3: Cross multiply
82,237.98x = 113,489.35 × 48,247.06 - Step 4: Simplify right side
82,237.98x = 5,475,526,911.36 - Step 5: Solve for x
x = 5,475,526,911.36/82,237.98 - Step 6: Final answer
x = 66,581.49
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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.