Finding the Fourth Proportional to 89,821.44, 134,732.70 and 23,256.99
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Solution
The fourth proportional to 89,821.44, 134,732.70 and 23,256.99 is: 34,885.62
Step by Step Solution
- Step 1: Write the proportion equation
89,821.44 : 134,732.70 = 23,256.99 : x - Step 2: Convert to fraction form
89,821.44/134,732.70 = 23,256.99/x - Step 3: Cross multiply
89,821.44x = 134,732.70 × 23,256.99 - Step 4: Simplify right side
89,821.44x = 3,133,477,056.57 - Step 5: Solve for x
x = 3,133,477,056.57/89,821.44 - Step 6: Final answer
x = 34,885.62
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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.