Finding the Fourth Proportional to 73,953.81, 110,919.78 and 27,195.75
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Solution
The fourth proportional to 73,953.81, 110,919.78 and 27,195.75 is: 40,789.60
Step by Step Solution
- Step 1: Write the proportion equation
73,953.81 : 110,919.78 = 27,195.75 : x - Step 2: Convert to fraction form
73,953.81/110,919.78 = 27,195.75/x - Step 3: Cross multiply
73,953.81x = 110,919.78 × 27,195.75 - Step 4: Simplify right side
73,953.81x = 3,016,546,606.94 - Step 5: Solve for x
x = 3,016,546,606.94/73,953.81 - Step 6: Final answer
x = 40,789.60
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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.