Finding the Fourth Proportional to 96,353.97, 132,972.08 and 53,912.81
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Solution
The fourth proportional to 96,353.97, 132,972.08 and 53,912.81 is: 74,401.68
Step by Step Solution
- Step 1: Write the proportion equation
96,353.97 : 132,972.08 = 53,912.81 : x - Step 2: Convert to fraction form
96,353.97/132,972.08 = 53,912.81/x - Step 3: Cross multiply
96,353.97x = 132,972.08 × 53,912.81 - Step 4: Simplify right side
96,353.97x = 7,168,897,549.92 - Step 5: Solve for x
x = 7,168,897,549.92/96,353.97 - Step 6: Final answer
x = 74,401.68
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1.5x scale
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.