Finding the Fourth Proportional to 82,752.67, 114,207.09 and 48,772.10
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Solution
The fourth proportional to 82,752.67, 114,207.09 and 48,772.10 is: 67,310.45
Step by Step Solution
- Step 1: Write the proportion equation
82,752.67 : 114,207.09 = 48,772.10 : x - Step 2: Convert to fraction form
82,752.67/114,207.09 = 48,772.10/x - Step 3: Cross multiply
82,752.67x = 114,207.09 × 48,772.10 - Step 4: Simplify right side
82,752.67x = 5,570,119,614.19 - Step 5: Solve for x
x = 5,570,119,614.19/82,752.67 - Step 6: Final answer
x = 67,310.45
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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.