Finding the Fourth Proportional to 82,830.81, 124,252.53 and 32,208.09
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Solution
The fourth proportional to 82,830.81, 124,252.53 and 32,208.09 is: 48,314.59
Step by Step Solution
- Step 1: Write the proportion equation
82,830.81 : 124,252.53 = 32,208.09 : x - Step 2: Convert to fraction form
82,830.81/124,252.53 = 32,208.09/x - Step 3: Cross multiply
82,830.81x = 124,252.53 × 32,208.09 - Step 4: Simplify right side
82,830.81x = 4,001,936,668.97 - Step 5: Solve for x
x = 4,001,936,668.97/82,830.81 - Step 6: Final answer
x = 48,314.59
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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.