Finding the Fourth Proportional to 82,599.12, 113,977.08 and 48,600.12
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Solution
The fourth proportional to 82,599.12, 113,977.08 and 48,600.12 is: 67,062.45
Step by Step Solution
- Step 1: Write the proportion equation
82,599.12 : 113,977.08 = 48,600.12 : x - Step 2: Convert to fraction form
82,599.12/113,977.08 = 48,600.12/x - Step 3: Cross multiply
82,599.12x = 113,977.08 × 48,600.12 - Step 4: Simplify right side
82,599.12x = 5,539,299,765.25 - Step 5: Solve for x
x = 5,539,299,765.25/82,599.12 - Step 6: Final answer
x = 67,062.45
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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.