Finding the Fourth Proportional to 82,149.28, 113,365.97 and 44,423.53
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Solution
The fourth proportional to 82,149.28, 113,365.97 and 44,423.53 is: 61,304.45
Step by Step Solution
- Step 1: Write the proportion equation
82,149.28 : 113,365.97 = 44,423.53 : x - Step 2: Convert to fraction form
82,149.28/113,365.97 = 44,423.53/x - Step 3: Cross multiply
82,149.28x = 113,365.97 × 44,423.53 - Step 4: Simplify right side
82,149.28x = 5,036,116,569.27 - Step 5: Solve for x
x = 5,036,116,569.27/82,149.28 - Step 6: Final answer
x = 61,304.45
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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.