Finding the Fourth Proportional to 71,983.51, 107,996.02 and 22,070.97
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Solution
The fourth proportional to 71,983.51, 107,996.02 and 22,070.97 is: 33,112.82
Step by Step Solution
- Step 1: Write the proportion equation
71,983.51 : 107,996.02 = 22,070.97 : x - Step 2: Convert to fraction form
71,983.51/107,996.02 = 22,070.97/x - Step 3: Cross multiply
71,983.51x = 107,996.02 × 22,070.97 - Step 4: Simplify right side
71,983.51x = 2,383,576,917.54 - Step 5: Solve for x
x = 2,383,576,917.54/71,983.51 - Step 6: Final answer
x = 33,112.82
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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.