Finding the Fourth Proportional to 82,864.50, 124,347.87 and 36,121.02
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Solution
The fourth proportional to 82,864.50, 124,347.87 and 36,121.02 is: 54,203.81
Step by Step Solution
- Step 1: Write the proportion equation
82,864.50 : 124,347.87 = 36,121.02 : x - Step 2: Convert to fraction form
82,864.50/124,347.87 = 36,121.02/x - Step 3: Cross multiply
82,864.50x = 124,347.87 × 36,121.02 - Step 4: Simplify right side
82,864.50x = 4,491,571,899.23 - Step 5: Solve for x
x = 4,491,571,899.23/82,864.50 - Step 6: Final answer
x = 54,203.81
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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.