Finding the Fourth Proportional to 71,162.81, 106,596.58 and 41,490.65
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Solution
The fourth proportional to 71,162.81, 106,596.58 and 41,490.65 is: 62,149.90
Step by Step Solution
- Step 1: Write the proportion equation
71,162.81 : 106,596.58 = 41,490.65 : x - Step 2: Convert to fraction form
71,162.81/106,596.58 = 41,490.65/x - Step 3: Cross multiply
71,162.81x = 106,596.58 × 41,490.65 - Step 4: Simplify right side
71,162.81x = 4,422,761,391.98 - Step 5: Solve for x
x = 4,422,761,391.98/71,162.81 - Step 6: Final answer
x = 62,149.90
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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.