Finding the Fourth Proportional to 82,511.19, 113,866.76 and 44,785.44
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Solution
The fourth proportional to 82,511.19, 113,866.76 and 44,785.44 is: 61,804.62
Step by Step Solution
- Step 1: Write the proportion equation
82,511.19 : 113,866.76 = 44,785.44 : x - Step 2: Convert to fraction form
82,511.19/113,866.76 = 44,785.44/x - Step 3: Cross multiply
82,511.19x = 113,866.76 × 44,785.44 - Step 4: Simplify right side
82,511.19x = 5,099,573,059.94 - Step 5: Solve for x
x = 5,099,573,059.94/82,511.19 - Step 6: Final answer
x = 61,804.62
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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.