Finding the Fourth Proportional to 83,880.35, 125,864.26 and 33,997.31
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Solution
The fourth proportional to 83,880.35, 125,864.26 and 33,997.31 is: 51,013.69
Step by Step Solution
- Step 1: Write the proportion equation
83,880.35 : 125,864.26 = 33,997.31 : x - Step 2: Convert to fraction form
83,880.35/125,864.26 = 33,997.31/x - Step 3: Cross multiply
83,880.35x = 125,864.26 × 33,997.31 - Step 4: Simplify right side
83,880.35x = 4,279,046,265.14 - Step 5: Solve for x
x = 4,279,046,265.14/83,880.35 - Step 6: Final answer
x = 51,013.69
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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.