Finding the Fourth Proportional to 73,787.68, 110,615.77 and 27,029.62
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Solution
The fourth proportional to 73,787.68, 110,615.77 and 27,029.62 is: 40,520.34
Step by Step Solution
- Step 1: Write the proportion equation
73,787.68 : 110,615.77 = 27,029.62 : x - Step 2: Convert to fraction form
73,787.68/110,615.77 = 27,029.62/x - Step 3: Cross multiply
73,787.68x = 110,615.77 × 27,029.62 - Step 4: Simplify right side
73,787.68x = 2,989,902,229.11 - Step 5: Solve for x
x = 2,989,902,229.11/73,787.68 - Step 6: Final answer
x = 40,520.34
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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.