Finding the Fourth Proportional to 82,855.18, 114,312.87 and 48,391.99
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Solution
The fourth proportional to 82,855.18, 114,312.87 and 48,391.99 is: 66,765.01
Step by Step Solution
- Step 1: Write the proportion equation
82,855.18 : 114,312.87 = 48,391.99 : x - Step 2: Convert to fraction form
82,855.18/114,312.87 = 48,391.99/x - Step 3: Cross multiply
82,855.18x = 114,312.87 × 48,391.99 - Step 4: Simplify right side
82,855.18x = 5,531,826,903.39 - Step 5: Solve for x
x = 5,531,826,903.39/82,855.18 - Step 6: Final answer
x = 66,765.01
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1.5x scale
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.