Finding the Fourth Proportional to 84,640.00, 126,949.63 and 49,120.65
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Solution
The fourth proportional to 84,640.00, 126,949.63 and 49,120.65 is: 73,674.95
Step by Step Solution
- Step 1: Write the proportion equation
84,640.00 : 126,949.63 = 49,120.65 : x - Step 2: Convert to fraction form
84,640.00/126,949.63 = 49,120.65/x - Step 3: Cross multiply
84,640.00x = 126,949.63 × 49,120.65 - Step 4: Simplify right side
84,640.00x = 6,235,847,710.43 - Step 5: Solve for x
x = 6,235,847,710.43/84,640.00 - Step 6: Final answer
x = 73,674.95
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.