Finding the Fourth Proportional to 67,132.85, 100,696.62 and 22,759.68
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Solution
The fourth proportional to 67,132.85, 100,696.62 and 22,759.68 is: 34,138.62
Step by Step Solution
- Step 1: Write the proportion equation
67,132.85 : 100,696.62 = 22,759.68 : x - Step 2: Convert to fraction form
67,132.85/100,696.62 = 22,759.68/x - Step 3: Cross multiply
67,132.85x = 100,696.62 × 22,759.68 - Step 4: Simplify right side
67,132.85x = 2,291,823,183.22 - Step 5: Solve for x
x = 2,291,823,183.22/67,132.85 - Step 6: Final answer
x = 34,138.62
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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.