Finding the Fourth Proportional to 88,431.99, 132,564.60 and 44,016.75
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Solution
The fourth proportional to 88,431.99, 132,564.60 and 44,016.75 is: 65,983.62
Step by Step Solution
- Step 1: Write the proportion equation
88,431.99 : 132,564.60 = 44,016.75 : x - Step 2: Convert to fraction form
88,431.99/132,564.60 = 44,016.75/x - Step 3: Cross multiply
88,431.99x = 132,564.60 × 44,016.75 - Step 4: Simplify right side
88,431.99x = 5,835,062,968.38 - Step 5: Solve for x
x = 5,835,062,968.38/88,431.99 - Step 6: Final answer
x = 65,983.62
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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.