Finding the Fourth Proportional to 82,542.06, 113,908.50 and 48,551.94
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Solution
The fourth proportional to 82,542.06, 113,908.50 and 48,551.94 is: 67,001.95
Step by Step Solution
- Step 1: Write the proportion equation
82,542.06 : 113,908.50 = 48,551.94 : x - Step 2: Convert to fraction form
82,542.06/113,908.50 = 48,551.94/x - Step 3: Cross multiply
82,542.06x = 113,908.50 × 48,551.94 - Step 4: Simplify right side
82,542.06x = 5,530,478,657.49 - Step 5: Solve for x
x = 5,530,478,657.49/82,542.06 - Step 6: Final answer
x = 67,001.95
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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.