Finding the Fourth Proportional to 82,202.24, 113,430.72 and 60,703.36
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Solution
The fourth proportional to 82,202.24, 113,430.72 and 60,703.36 is: 83,764.45
Step by Step Solution
- Step 1: Write the proportion equation
82,202.24 : 113,430.72 = 60,703.36 : x - Step 2: Convert to fraction form
82,202.24/113,430.72 = 60,703.36/x - Step 3: Cross multiply
82,202.24x = 113,430.72 × 60,703.36 - Step 4: Simplify right side
82,202.24x = 6,885,625,831.22 - Step 5: Solve for x
x = 6,885,625,831.22/82,202.24 - Step 6: Final answer
x = 83,764.45
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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.