Finding the Fourth Proportional to 82,798.20, 124,197.30 and 53,273.70
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Solution
The fourth proportional to 82,798.20, 124,197.30 and 53,273.70 is: 79,910.55
Step by Step Solution
- Step 1: Write the proportion equation
82,798.20 : 124,197.30 = 53,273.70 : x - Step 2: Convert to fraction form
82,798.20/124,197.30 = 53,273.70/x - Step 3: Cross multiply
82,798.20x = 124,197.30 × 53,273.70 - Step 4: Simplify right side
82,798.20x = 6,616,449,701.01 - Step 5: Solve for x
x = 6,616,449,701.01/82,798.20 - Step 6: Final answer
x = 79,910.55
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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.