Finding the Fourth Proportional to 66,760.84, 100,140.99 and 27,317.94
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Solution
The fourth proportional to 66,760.84, 100,140.99 and 27,317.94 is: 40,976.80
Step by Step Solution
- Step 1: Write the proportion equation
66,760.84 : 100,140.99 = 27,317.94 : x - Step 2: Convert to fraction form
66,760.84/100,140.99 = 27,317.94/x - Step 3: Cross multiply
66,760.84x = 100,140.99 × 27,317.94 - Step 4: Simplify right side
66,760.84x = 2,735,645,556.36 - Step 5: Solve for x
x = 2,735,645,556.36/66,760.84 - Step 6: Final answer
x = 40,976.80
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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.