Finding the Fourth Proportional to 70,644.12, 105,976.02 and 23,884.44
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Solution
The fourth proportional to 70,644.12, 105,976.02 and 23,884.44 is: 35,829.99
Step by Step Solution
- Step 1: Write the proportion equation
70,644.12 : 105,976.02 = 23,884.44 : x - Step 2: Convert to fraction form
70,644.12/105,976.02 = 23,884.44/x - Step 3: Cross multiply
70,644.12x = 105,976.02 × 23,884.44 - Step 4: Simplify right side
70,644.12x = 2,531,177,891.13 - Step 5: Solve for x
x = 2,531,177,891.13/70,644.12 - Step 6: Final answer
x = 35,829.99
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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.