Finding the Fourth Proportional to 82,642.24, 114,043.08 and 44,915.68
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Solution
The fourth proportional to 82,642.24, 114,043.08 and 44,915.68 is: 61,981.89
Step by Step Solution
- Step 1: Write the proportion equation
82,642.24 : 114,043.08 = 44,915.68 : x - Step 2: Convert to fraction form
82,642.24/114,043.08 = 44,915.68/x - Step 3: Cross multiply
82,642.24x = 114,043.08 × 44,915.68 - Step 4: Simplify right side
82,642.24x = 5,122,322,487.49 - Step 5: Solve for x
x = 5,122,322,487.49/82,642.24 - Step 6: Final answer
x = 61,981.89
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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.