Finding the Fourth Proportional to 82,163.64, 113,385.88 and 44,437.88
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Solution
The fourth proportional to 82,163.64, 113,385.88 and 44,437.88 is: 61,324.31
Step by Step Solution
- Step 1: Write the proportion equation
82,163.64 : 113,385.88 = 44,437.88 : x - Step 2: Convert to fraction form
82,163.64/113,385.88 = 44,437.88/x - Step 3: Cross multiply
82,163.64x = 113,385.88 × 44,437.88 - Step 4: Simplify right side
82,163.64x = 5,038,628,129.13 - Step 5: Solve for x
x = 5,038,628,129.13/82,163.64 - Step 6: Final answer
x = 61,324.31
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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.