Finding the Fourth Proportional to 79,895.50, 119,843.28 and 27,305.44
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Solution
The fourth proportional to 79,895.50, 119,843.28 and 27,305.44 is: 40,958.17
Step by Step Solution
- Step 1: Write the proportion equation
79,895.50 : 119,843.28 = 27,305.44 : x - Step 2: Convert to fraction form
79,895.50/119,843.28 = 27,305.44/x - Step 3: Cross multiply
79,895.50x = 119,843.28 × 27,305.44 - Step 4: Simplify right side
79,895.50x = 3,272,373,491.44 - Step 5: Solve for x
x = 3,272,373,491.44/79,895.50 - Step 6: Final answer
x = 40,958.17
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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.