Finding the Fourth Proportional to 82,177.13, 113,405.00 and 50,346.09
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Solution
The fourth proportional to 82,177.13, 113,405.00 and 50,346.09 is: 69,477.94
Step by Step Solution
- Step 1: Write the proportion equation
82,177.13 : 113,405.00 = 50,346.09 : x - Step 2: Convert to fraction form
82,177.13/113,405.00 = 50,346.09/x - Step 3: Cross multiply
82,177.13x = 113,405.00 × 50,346.09 - Step 4: Simplify right side
82,177.13x = 5,709,498,084.72 - Step 5: Solve for x
x = 5,709,498,084.72/82,177.13 - Step 6: Final answer
x = 69,477.94
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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.