Finding the Fourth Proportional to 82,506.36, 113,858.88 and 44,780.62
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Solution
The fourth proportional to 82,506.36, 113,858.88 and 44,780.62 is: 61,797.31
Step by Step Solution
- Step 1: Write the proportion equation
82,506.36 : 113,858.88 = 44,780.62 : x - Step 2: Convert to fraction form
82,506.36/113,858.88 = 44,780.62/x - Step 3: Cross multiply
82,506.36x = 113,858.88 × 44,780.62 - Step 4: Simplify right side
82,506.36x = 5,098,671,238.91 - Step 5: Solve for x
x = 5,098,671,238.91/82,506.36 - Step 6: Final answer
x = 61,797.31
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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.