Finding the Fourth Proportional to 82,106.84, 113,308.70 and 48,107.19
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Solution
The fourth proportional to 82,106.84, 113,308.70 and 48,107.19 is: 66,388.66
Step by Step Solution
- Step 1: Write the proportion equation
82,106.84 : 113,308.70 = 48,107.19 : x - Step 2: Convert to fraction form
82,106.84/113,308.70 = 48,107.19/x - Step 3: Cross multiply
82,106.84x = 113,308.70 × 48,107.19 - Step 4: Simplify right side
82,106.84x = 5,450,963,159.55 - Step 5: Solve for x
x = 5,450,963,159.55/82,106.84 - Step 6: Final answer
x = 66,388.66
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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.