Finding the Fourth Proportional to 68,634.13, 102,968.94 and 40,195.12
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Solution
The fourth proportional to 68,634.13, 102,968.94 and 40,195.12 is: 60,303.07
Step by Step Solution
- Step 1: Write the proportion equation
68,634.13 : 102,968.94 = 40,195.12 : x - Step 2: Convert to fraction form
68,634.13/102,968.94 = 40,195.12/x - Step 3: Cross multiply
68,634.13x = 102,968.94 × 40,195.12 - Step 4: Simplify right side
68,634.13x = 4,138,848,899.57 - Step 5: Solve for x
x = 4,138,848,899.57/68,634.13 - Step 6: Final answer
x = 60,303.07
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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.