Finding the Fourth Proportional to 67,210.68, 100,757.70 and 33,902.94
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Solution
The fourth proportional to 67,210.68, 100,757.70 and 33,902.94 is: 50,824.99
Step by Step Solution
- Step 1: Write the proportion equation
67,210.68 : 100,757.70 = 33,902.94 : x - Step 2: Convert to fraction form
67,210.68/100,757.70 = 33,902.94/x - Step 3: Cross multiply
67,210.68x = 100,757.70 × 33,902.94 - Step 4: Simplify right side
67,210.68x = 3,415,982,257.64 - Step 5: Solve for x
x = 3,415,982,257.64/67,210.68 - Step 6: Final answer
x = 50,824.99
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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.