Finding the Fourth Proportional to 82,912.19, 124,367.76 and 23,747.87
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Solution
The fourth proportional to 82,912.19, 124,367.76 and 23,747.87 is: 35,621.65
Step by Step Solution
- Step 1: Write the proportion equation
82,912.19 : 124,367.76 = 23,747.87 : x - Step 2: Convert to fraction form
82,912.19/124,367.76 = 23,747.87/x - Step 3: Cross multiply
82,912.19x = 124,367.76 × 23,747.87 - Step 4: Simplify right side
82,912.19x = 2,953,468,774.83 - Step 5: Solve for x
x = 2,953,468,774.83/82,912.19 - Step 6: Final answer
x = 35,621.65
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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.