Finding the Fourth Proportional to 86,481.05, 119,344.55 and 48,239.33
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Solution
The fourth proportional to 86,481.05, 119,344.55 and 48,239.33 is: 66,570.66
Step by Step Solution
- Step 1: Write the proportion equation
86,481.05 : 119,344.55 = 48,239.33 : x - Step 2: Convert to fraction form
86,481.05/119,344.55 = 48,239.33/x - Step 3: Cross multiply
86,481.05x = 119,344.55 × 48,239.33 - Step 4: Simplify right side
86,481.05x = 5,757,100,293.23 - Step 5: Solve for x
x = 5,757,100,293.23/86,481.05 - Step 6: Final answer
x = 66,570.66
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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.