Finding the Fourth Proportional to 66,716.41, 100,074.36 and 26,753.26
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Solution
The fourth proportional to 66,716.41, 100,074.36 and 26,753.26 is: 40,129.79
Step by Step Solution
- Step 1: Write the proportion equation
66,716.41 : 100,074.36 = 26,753.26 : x - Step 2: Convert to fraction form
66,716.41/100,074.36 = 26,753.26/x - Step 3: Cross multiply
66,716.41x = 100,074.36 × 26,753.26 - Step 4: Simplify right side
66,716.41x = 2,677,315,372.41 - Step 5: Solve for x
x = 2,677,315,372.41/66,716.41 - Step 6: Final answer
x = 40,129.79
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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.