Finding the Fourth Proportional to 82,130.32, 113,340.11 and 44,404.84
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Solution
The fourth proportional to 82,130.32, 113,340.11 and 44,404.84 is: 61,278.82
Step by Step Solution
- Step 1: Write the proportion equation
82,130.32 : 113,340.11 = 44,404.84 : x - Step 2: Convert to fraction form
82,130.32/113,340.11 = 44,404.84/x - Step 3: Cross multiply
82,130.32x = 113,340.11 × 44,404.84 - Step 4: Simplify right side
82,130.32x = 5,032,849,450.13 - Step 5: Solve for x
x = 5,032,849,450.13/82,130.32 - Step 6: Final answer
x = 61,278.82
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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.