Finding the Fourth Proportional to 82,879.87, 114,387.93 and 48,896.66
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Solution
The fourth proportional to 82,879.87, 114,387.93 and 48,896.66 is: 67,485.48
Step by Step Solution
- Step 1: Write the proportion equation
82,879.87 : 114,387.93 = 48,896.66 : x - Step 2: Convert to fraction form
82,879.87/114,387.93 = 48,896.66/x - Step 3: Cross multiply
82,879.87x = 114,387.93 × 48,896.66 - Step 4: Simplify right side
82,879.87x = 5,593,187,721.31 - Step 5: Solve for x
x = 5,593,187,721.31/82,879.87 - Step 6: Final answer
x = 67,485.48
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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.