Finding the Fourth Proportional to 73,896.49, 110,888.90 and 27,154.09
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Solution
The fourth proportional to 73,896.49, 110,888.90 and 27,154.09 is: 40,747.36
Step by Step Solution
- Step 1: Write the proportion equation
73,896.49 : 110,888.90 = 27,154.09 : x - Step 2: Convert to fraction form
73,896.49/110,888.90 = 27,154.09/x - Step 3: Cross multiply
73,896.49x = 110,888.90 × 27,154.09 - Step 4: Simplify right side
73,896.49x = 3,011,087,170.60 - Step 5: Solve for x
x = 3,011,087,170.60/73,896.49 - Step 6: Final answer
x = 40,747.36
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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.