Finding the Fourth Proportional to 74,287.11, 111,447.07 and 27,539.99
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Solution
The fourth proportional to 74,287.11, 111,447.07 and 27,539.99 is: 41,316.06
Step by Step Solution
- Step 1: Write the proportion equation
74,287.11 : 111,447.07 = 27,539.99 : x - Step 2: Convert to fraction form
74,287.11/111,447.07 = 27,539.99/x - Step 3: Cross multiply
74,287.11x = 111,447.07 × 27,539.99 - Step 4: Simplify right side
74,287.11x = 3,069,250,636.09 - Step 5: Solve for x
x = 3,069,250,636.09/74,287.11 - Step 6: Final answer
x = 41,316.06
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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.