Finding the Fourth Proportional to 74,546.60, 111,844.19 and 35,107.70
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Solution
The fourth proportional to 74,546.60, 111,844.19 and 35,107.70 is: 52,672.99
Step by Step Solution
- Step 1: Write the proportion equation
74,546.60 : 111,844.19 = 35,107.70 : x - Step 2: Convert to fraction form
74,546.60/111,844.19 = 35,107.70/x - Step 3: Cross multiply
74,546.60x = 111,844.19 × 35,107.70 - Step 4: Simplify right side
74,546.60x = 3,926,591,797.81 - Step 5: Solve for x
x = 3,926,591,797.81/74,546.60 - Step 6: Final answer
x = 52,672.99
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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.