Finding the Fourth Proportional to 82,122.50, 113,329.05 and 44,396.75
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Solution
The fourth proportional to 82,122.50, 113,329.05 and 44,396.75 is: 61,267.52
Step by Step Solution
- Step 1: Write the proportion equation
82,122.50 : 113,329.05 = 44,396.75 : x - Step 2: Convert to fraction form
82,122.50/113,329.05 = 44,396.75/x - Step 3: Cross multiply
82,122.50x = 113,329.05 × 44,396.75 - Step 4: Simplify right side
82,122.50x = 5,031,441,500.59 - Step 5: Solve for x
x = 5,031,441,500.59/82,122.50 - Step 6: Final answer
x = 61,267.52
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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.