Finding the Fourth Proportional to 82,177.19, 113,409.86 and 46,354.13
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Solution
The fourth proportional to 82,177.19, 113,409.86 and 46,354.13 is: 63,971.70
Step by Step Solution
- Step 1: Write the proportion equation
82,177.19 : 113,409.86 = 46,354.13 : x - Step 2: Convert to fraction form
82,177.19/113,409.86 = 46,354.13/x - Step 3: Cross multiply
82,177.19x = 113,409.86 × 46,354.13 - Step 4: Simplify right side
82,177.19x = 5,257,014,594.90 - Step 5: Solve for x
x = 5,257,014,594.90/82,177.19 - Step 6: Final answer
x = 63,971.70
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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.