Finding the Fourth Proportional to 94,006.99, 140,995.36 and 27,431.51
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Solution
The fourth proportional to 94,006.99, 140,995.36 and 27,431.51 is: 41,142.86
Step by Step Solution
- Step 1: Write the proportion equation
94,006.99 : 140,995.36 = 27,431.51 : x - Step 2: Convert to fraction form
94,006.99/140,995.36 = 27,431.51/x - Step 3: Cross multiply
94,006.99x = 140,995.36 × 27,431.51 - Step 4: Simplify right side
94,006.99x = 3,867,715,911.70 - Step 5: Solve for x
x = 3,867,715,911.70/94,006.99 - Step 6: Final answer
x = 41,142.86
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1.5x scale
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.