Finding the Fourth Proportional to 80,622.68, 111,257.38 and 44,812.36
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Solution
The fourth proportional to 80,622.68, 111,257.38 and 44,812.36 is: 61,839.99
Step by Step Solution
- Step 1: Write the proportion equation
80,622.68 : 111,257.38 = 44,812.36 : x - Step 2: Convert to fraction form
80,622.68/111,257.38 = 44,812.36/x - Step 3: Cross multiply
80,622.68x = 111,257.38 × 44,812.36 - Step 4: Simplify right side
80,622.68x = 4,985,705,765.22 - Step 5: Solve for x
x = 4,985,705,765.22/80,622.68 - Step 6: Final answer
x = 61,839.99
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.