Finding the Fourth Proportional to 79,792.02, 110,112.44 and 43,982.06
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Solution
The fourth proportional to 79,792.02, 110,112.44 and 43,982.06 is: 60,694.94
Step by Step Solution
- Step 1: Write the proportion equation
79,792.02 : 110,112.44 = 43,982.06 : x - Step 2: Convert to fraction form
79,792.02/110,112.44 = 43,982.06/x - Step 3: Cross multiply
79,792.02x = 110,112.44 × 43,982.06 - Step 4: Simplify right side
79,792.02x = 4,842,971,942.83 - Step 5: Solve for x
x = 4,842,971,942.83/79,792.02 - Step 6: Final answer
x = 60,694.94
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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.