Finding the Fourth Proportional to 89,143.20, 133,703.28 and 33,732
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Solution
The fourth proportional to 89,143.20, 133,703.28 and 33,732 is: 50,593.64
Step by Step Solution
- Step 1: Write the proportion equation
89,143.20 : 133,703.28 = 33,732 : x - Step 2: Convert to fraction form
89,143.20/133,703.28 = 33,732/x - Step 3: Cross multiply
89,143.20x = 133,703.28 × 33,732 - Step 4: Simplify right side
89,143.20x = 4,510,079,040.96 - Step 5: Solve for x
x = 4,510,079,040.96/89,143.20 - Step 6: Final answer
x = 50,593.64
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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.