Finding the Fourth Proportional to 69,914.44, 104,885.36 and 27,786.67
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Solution
The fourth proportional to 69,914.44, 104,885.36 and 27,786.67 is: 41,685.45
Step by Step Solution
- Step 1: Write the proportion equation
69,914.44 : 104,885.36 = 27,786.67 : x - Step 2: Convert to fraction form
69,914.44/104,885.36 = 27,786.67/x - Step 3: Cross multiply
69,914.44x = 104,885.36 × 27,786.67 - Step 4: Simplify right side
69,914.44x = 2,914,414,693.40 - Step 5: Solve for x
x = 2,914,414,693.40/69,914.44 - Step 6: Final answer
x = 41,685.45
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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.