Finding the Fourth Proportional to 82,134.72, 113,346.08 and 44,408.98
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Solution
The fourth proportional to 82,134.72, 113,346.08 and 44,408.98 is: 61,284.48
Step by Step Solution
- Step 1: Write the proportion equation
82,134.72 : 113,346.08 = 44,408.98 : x - Step 2: Convert to fraction form
82,134.72/113,346.08 = 44,408.98/x - Step 3: Cross multiply
82,134.72x = 113,346.08 × 44,408.98 - Step 4: Simplify right side
82,134.72x = 5,033,583,799.80 - Step 5: Solve for x
x = 5,033,583,799.80/82,134.72 - Step 6: Final answer
x = 61,284.48
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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.