Finding the Fourth Proportional to 123,971.01, 171,076.39 and 70,260.99
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Solution
The fourth proportional to 123,971.01, 171,076.39 and 70,260.99 is: 96,958.12
Step by Step Solution
- Step 1: Write the proportion equation
123,971.01 : 171,076.39 = 70,260.99 : x - Step 2: Convert to fraction form
123,971.01/171,076.39 = 70,260.99/x - Step 3: Cross multiply
123,971.01x = 171,076.39 × 70,260.99 - Step 4: Simplify right side
123,971.01x = 12,019,996,527.03 - Step 5: Solve for x
x = 12,019,996,527.03/123,971.01 - Step 6: Final answer
x = 96,958.12
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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.