Finding the Fourth Proportional to 82,751.42, 124,128.35 and 40,032.02
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Solution
The fourth proportional to 82,751.42, 124,128.35 and 40,032.02 is: 60,048.62
Step by Step Solution
- Step 1: Write the proportion equation
82,751.42 : 124,128.35 = 40,032.02 : x - Step 2: Convert to fraction form
82,751.42/124,128.35 = 40,032.02/x - Step 3: Cross multiply
82,751.42x = 124,128.35 × 40,032.02 - Step 4: Simplify right side
82,751.42x = 4,969,108,850.05 - Step 5: Solve for x
x = 4,969,108,850.05/82,751.42 - Step 6: Final answer
x = 60,048.62
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.