Finding the Fourth Proportional to 82,293.07, 113,518.96 and 66,996.08
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Solution
The fourth proportional to 82,293.07, 113,518.96 and 66,996.08 is: 92,417.56
Step by Step Solution
- Step 1: Write the proportion equation
82,293.07 : 113,518.96 = 66,996.08 : x - Step 2: Convert to fraction form
82,293.07/113,518.96 = 66,996.08/x - Step 3: Cross multiply
82,293.07x = 113,518.96 × 66,996.08 - Step 4: Simplify right side
82,293.07x = 7,605,324,758.08 - Step 5: Solve for x
x = 7,605,324,758.08/82,293.07 - Step 6: Final answer
x = 92,417.56
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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.