Finding the Fourth Proportional to 82,474.24, 113,758.08 and 52,652.80
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Solution
The fourth proportional to 82,474.24, 113,758.08 and 52,652.80 is: 72,624.88
Step by Step Solution
- Step 1: Write the proportion equation
82,474.24 : 113,758.08 = 52,652.80 : x - Step 2: Convert to fraction form
82,474.24/113,758.08 = 52,652.80/x - Step 3: Cross multiply
82,474.24x = 113,758.08 × 52,652.80 - Step 4: Simplify right side
82,474.24x = 5,989,681,434.62 - Step 5: Solve for x
x = 5,989,681,434.62/82,474.24 - Step 6: Final answer
x = 72,624.88
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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.