Finding the Fourth Proportional to 68,774.09, 103,190.84 and 37,206.39
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Solution
The fourth proportional to 68,774.09, 103,190.84 and 37,206.39 is: 55,825.65
Step by Step Solution
- Step 1: Write the proportion equation
68,774.09 : 103,190.84 = 37,206.39 : x - Step 2: Convert to fraction form
68,774.09/103,190.84 = 37,206.39/x - Step 3: Cross multiply
68,774.09x = 103,190.84 × 37,206.39 - Step 4: Simplify right side
68,774.09x = 3,839,358,451.44 - Step 5: Solve for x
x = 3,839,358,451.44/68,774.09 - Step 6: Final answer
x = 55,825.65
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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.