Finding the Fourth Proportional to 82,912.05, 124,337.70 and 26,766.90
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Solution
The fourth proportional to 82,912.05, 124,337.70 and 26,766.90 is: 40,140.54
Step by Step Solution
- Step 1: Write the proportion equation
82,912.05 : 124,337.70 = 26,766.90 : x - Step 2: Convert to fraction form
82,912.05/124,337.70 = 26,766.90/x - Step 3: Cross multiply
82,912.05x = 124,337.70 × 26,766.90 - Step 4: Simplify right side
82,912.05x = 3,328,134,782.13 - Step 5: Solve for x
x = 3,328,134,782.13/82,912.05 - Step 6: Final answer
x = 40,140.54
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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.