Finding the Fourth Proportional to 71,563.64, 107,335.74 and 27,201.56
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Solution
The fourth proportional to 71,563.64, 107,335.74 and 27,201.56 is: 40,798.65
Step by Step Solution
- Step 1: Write the proportion equation
71,563.64 : 107,335.74 = 27,201.56 : x - Step 2: Convert to fraction form
71,563.64/107,335.74 = 27,201.56/x - Step 3: Cross multiply
71,563.64x = 107,335.74 × 27,201.56 - Step 4: Simplify right side
71,563.64x = 2,919,699,571.75 - Step 5: Solve for x
x = 2,919,699,571.75/71,563.64 - Step 6: Final answer
x = 40,798.65
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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.