Finding the Fourth Proportional to 82,699.24, 114,122.88 and 48,250.56
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Solution
The fourth proportional to 82,699.24, 114,122.88 and 48,250.56 is: 66,584.56
Step by Step Solution
- Step 1: Write the proportion equation
82,699.24 : 114,122.88 = 48,250.56 : x - Step 2: Convert to fraction form
82,699.24/114,122.88 = 48,250.56/x - Step 3: Cross multiply
82,699.24x = 114,122.88 × 48,250.56 - Step 4: Simplify right side
82,699.24x = 5,506,492,868.81 - Step 5: Solve for x
x = 5,506,492,868.81/82,699.24 - Step 6: Final answer
x = 66,584.56
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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.