Finding the Fourth Proportional to 79,899.77, 119,844.97 and 29,975.70
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Solution
The fourth proportional to 79,899.77, 119,844.97 and 29,975.70 is: 44,961.79
Step by Step Solution
- Step 1: Write the proportion equation
79,899.77 : 119,844.97 = 29,975.70 : x - Step 2: Convert to fraction form
79,899.77/119,844.97 = 29,975.70/x - Step 3: Cross multiply
79,899.77x = 119,844.97 × 29,975.70 - Step 4: Simplify right side
79,899.77x = 3,592,436,230.52 - Step 5: Solve for x
x = 3,592,436,230.52/79,899.77 - Step 6: Final answer
x = 44,961.79
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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.