Finding the Fourth Proportional to 81,898.20, 122,847.23 and 22,733.84
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Solution
The fourth proportional to 81,898.20, 122,847.23 and 22,733.84 is: 34,100.75
Step by Step Solution
- Step 1: Write the proportion equation
81,898.20 : 122,847.23 = 22,733.84 : x - Step 2: Convert to fraction form
81,898.20/122,847.23 = 22,733.84/x - Step 3: Cross multiply
81,898.20x = 122,847.23 × 22,733.84 - Step 4: Simplify right side
81,898.20x = 2,792,789,635.22 - Step 5: Solve for x
x = 2,792,789,635.22/81,898.20 - Step 6: Final answer
x = 34,100.75
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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.