Finding the Fourth Proportional to 71,708.21, 107,611.31 and 24,961.08
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Solution
The fourth proportional to 71,708.21, 107,611.31 and 24,961.08 is: 37,458.68
Step by Step Solution
- Step 1: Write the proportion equation
71,708.21 : 107,611.31 = 24,961.08 : x - Step 2: Convert to fraction form
71,708.21/107,611.31 = 24,961.08/x - Step 3: Cross multiply
71,708.21x = 107,611.31 × 24,961.08 - Step 4: Simplify right side
71,708.21x = 2,686,094,517.81 - Step 5: Solve for x
x = 2,686,094,517.81/71,708.21 - Step 6: Final answer
x = 37,458.68
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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.