Finding the Fourth Proportional to 74,542.06, 111,813.69 and 27,191.08
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Solution
The fourth proportional to 74,542.06, 111,813.69 and 27,191.08 is: 40,786.84
Step by Step Solution
- Step 1: Write the proportion equation
74,542.06 : 111,813.69 = 27,191.08 : x - Step 2: Convert to fraction form
74,542.06/111,813.69 = 27,191.08/x - Step 3: Cross multiply
74,542.06x = 111,813.69 × 27,191.08 - Step 4: Simplify right side
74,542.06x = 3,040,334,989.89 - Step 5: Solve for x
x = 3,040,334,989.89/74,542.06 - Step 6: Final answer
x = 40,786.84
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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.