Finding the Fourth Proportional to 68,087.36, 102,133.74 and 23,718.62
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Solution
The fourth proportional to 68,087.36, 102,133.74 and 23,718.62 is: 35,578.87
Step by Step Solution
- Step 1: Write the proportion equation
68,087.36 : 102,133.74 = 23,718.62 : x - Step 2: Convert to fraction form
68,087.36/102,133.74 = 23,718.62/x - Step 3: Cross multiply
68,087.36x = 102,133.74 × 23,718.62 - Step 4: Simplify right side
68,087.36x = 2,422,471,368.24 - Step 5: Solve for x
x = 2,422,471,368.24/68,087.36 - Step 6: Final answer
x = 35,578.87
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1.5x scale
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.