Finding the Fourth Proportional to 73,717.80, 110,576.70 and 29,341.80
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Solution
The fourth proportional to 73,717.80, 110,576.70 and 29,341.80 is: 44,012.70
Step by Step Solution
- Step 1: Write the proportion equation
73,717.80 : 110,576.70 = 29,341.80 : x - Step 2: Convert to fraction form
73,717.80/110,576.70 = 29,341.80/x - Step 3: Cross multiply
73,717.80x = 110,576.70 × 29,341.80 - Step 4: Simplify right side
73,717.80x = 3,244,519,416.06 - Step 5: Solve for x
x = 3,244,519,416.06/73,717.80 - Step 6: Final answer
x = 44,012.70
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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.