Finding the Fourth Proportional to 82,749.20, 124,107.30 and 22,762.13
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Solution
The fourth proportional to 82,749.20, 124,107.30 and 22,762.13 is: 34,138.65
Step by Step Solution
- Step 1: Write the proportion equation
82,749.20 : 124,107.30 = 22,762.13 : x - Step 2: Convert to fraction form
82,749.20/124,107.30 = 22,762.13/x - Step 3: Cross multiply
82,749.20x = 124,107.30 × 22,762.13 - Step 4: Simplify right side
82,749.20x = 2,824,945,876.01 - Step 5: Solve for x
x = 2,824,945,876.01/82,749.20 - Step 6: Final answer
x = 34,138.65
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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.