Finding the Fourth Proportional to 82,768.99, 114,220.18 and 48,778.91
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Solution
The fourth proportional to 82,768.99, 114,220.18 and 48,778.91 is: 67,314.29
Step by Step Solution
- Step 1: Write the proportion equation
82,768.99 : 114,220.18 = 48,778.91 : x - Step 2: Convert to fraction form
82,768.99/114,220.18 = 48,778.91/x - Step 3: Cross multiply
82,768.99x = 114,220.18 × 48,778.91 - Step 4: Simplify right side
82,768.99x = 5,571,535,524.22 - Step 5: Solve for x
x = 5,571,535,524.22/82,768.99 - Step 6: Final answer
x = 67,314.29
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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.