Finding the Fourth Proportional to 96,334.28, 132,939.40 and 53,311.26
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Solution
The fourth proportional to 96,334.28, 132,939.40 and 53,311.26 is: 73,568.48
Step by Step Solution
- Step 1: Write the proportion equation
96,334.28 : 132,939.40 = 53,311.26 : x - Step 2: Convert to fraction form
96,334.28/132,939.40 = 53,311.26/x - Step 3: Cross multiply
96,334.28x = 132,939.40 × 53,311.26 - Step 4: Simplify right side
96,334.28x = 7,087,166,204.24 - Step 5: Solve for x
x = 7,087,166,204.24/96,334.28 - Step 6: Final answer
x = 73,568.48
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.