Finding the Fourth Proportional to 83,425.92, 125,138.81 and 33,505.99
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Solution
The fourth proportional to 83,425.92, 125,138.81 and 33,505.99 is: 50,258.96
Step by Step Solution
- Step 1: Write the proportion equation
83,425.92 : 125,138.81 = 33,505.99 : x - Step 2: Convert to fraction form
83,425.92/125,138.81 = 33,505.99/x - Step 3: Cross multiply
83,425.92x = 125,138.81 × 33,505.99 - Step 4: Simplify right side
83,425.92x = 4,192,899,487.39 - Step 5: Solve for x
x = 4,192,899,487.39/83,425.92 - Step 6: Final answer
x = 50,258.96
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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.