Finding the Fourth Proportional to 74,563.79, 111,845.69 and 27,182.44
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Solution
The fourth proportional to 74,563.79, 111,845.69 and 27,182.44 is: 40,773.66
Step by Step Solution
- Step 1: Write the proportion equation
74,563.79 : 111,845.69 = 27,182.44 : x - Step 2: Convert to fraction form
74,563.79/111,845.69 = 27,182.44/x - Step 3: Cross multiply
74,563.79x = 111,845.69 × 27,182.44 - Step 4: Simplify right side
74,563.79x = 3,040,238,757.68 - Step 5: Solve for x
x = 3,040,238,757.68/74,563.79 - Step 6: Final answer
x = 40,773.66
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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.