Finding the Fourth Proportional to 82,511.68, 113,840.02 and 48,509.32
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Solution
The fourth proportional to 82,511.68, 113,840.02 and 48,509.32 is: 66,927.52
Step by Step Solution
- Step 1: Write the proportion equation
82,511.68 : 113,840.02 = 48,509.32 : x - Step 2: Convert to fraction form
82,511.68/113,840.02 = 48,509.32/x - Step 3: Cross multiply
82,511.68x = 113,840.02 × 48,509.32 - Step 4: Simplify right side
82,511.68x = 5,522,301,958.99 - Step 5: Solve for x
x = 5,522,301,958.99/82,511.68 - Step 6: Final answer
x = 66,927.52
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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.