Finding the Fourth Proportional to 82,936.05, 114,454.80 and 47,132.07
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Solution
The fourth proportional to 82,936.05, 114,454.80 and 47,132.07 is: 65,043.99
Step by Step Solution
- Step 1: Write the proportion equation
82,936.05 : 114,454.80 = 47,132.07 : x - Step 2: Convert to fraction form
82,936.05/114,454.80 = 47,132.07/x - Step 3: Cross multiply
82,936.05x = 114,454.80 × 47,132.07 - Step 4: Simplify right side
82,936.05x = 5,394,491,645.44 - Step 5: Solve for x
x = 5,394,491,645.44/82,936.05 - Step 6: Final answer
x = 65,043.99
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.