Finding the Fourth Proportional to 81,998.73, 123,001.34 and 22,839.57
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Solution
The fourth proportional to 81,998.73, 123,001.34 and 22,839.57 is: 34,260.26
Step by Step Solution
- Step 1: Write the proportion equation
81,998.73 : 123,001.34 = 22,839.57 : x - Step 2: Convert to fraction form
81,998.73/123,001.34 = 22,839.57/x - Step 3: Cross multiply
81,998.73x = 123,001.34 × 22,839.57 - Step 4: Simplify right side
81,998.73x = 2,809,297,600.83 - Step 5: Solve for x
x = 2,809,297,600.83/81,998.73 - Step 6: Final answer
x = 34,260.26
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1.5x scale
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.