Finding the Fourth Proportional to 82,336.56, 113,622.08 and 48,344.48
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Solution
The fourth proportional to 82,336.56, 113,622.08 and 48,344.48 is: 66,713.99
Step by Step Solution
- Step 1: Write the proportion equation
82,336.56 : 113,622.08 = 48,344.48 : x - Step 2: Convert to fraction form
82,336.56/113,622.08 = 48,344.48/x - Step 3: Cross multiply
82,336.56x = 113,622.08 × 48,344.48 - Step 4: Simplify right side
82,336.56x = 5,493,000,374.12 - Step 5: Solve for x
x = 5,493,000,374.12/82,336.56 - Step 6: Final answer
x = 66,713.99
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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.