Finding the Fourth Proportional to 82,708.19, 114,163.32 and 46,921.98
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Solution
The fourth proportional to 82,708.19, 114,163.32 and 46,921.98 is: 64,767.09
Step by Step Solution
- Step 1: Write the proportion equation
82,708.19 : 114,163.32 = 46,921.98 : x - Step 2: Convert to fraction form
82,708.19/114,163.32 = 46,921.98/x - Step 3: Cross multiply
82,708.19x = 114,163.32 × 46,921.98 - Step 4: Simplify right side
82,708.19x = 5,356,768,783.16 - Step 5: Solve for x
x = 5,356,768,783.16/82,708.19 - Step 6: Final answer
x = 64,767.09
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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.