Finding the Fourth Proportional to 68,858.22, 103,331.02 and 29,415.62
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Solution
The fourth proportional to 68,858.22, 103,331.02 and 29,415.62 is: 44,142.09
Step by Step Solution
- Step 1: Write the proportion equation
68,858.22 : 103,331.02 = 29,415.62 : x - Step 2: Convert to fraction form
68,858.22/103,331.02 = 29,415.62/x - Step 3: Cross multiply
68,858.22x = 103,331.02 × 29,415.62 - Step 4: Simplify right side
68,858.22x = 3,039,546,018.53 - Step 5: Solve for x
x = 3,039,546,018.53/68,858.22 - Step 6: Final answer
x = 44,142.09
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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.