Finding the Fourth Proportional to 67,425.21, 101,112.30 and 22,438.62
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Solution
The fourth proportional to 67,425.21, 101,112.30 and 22,438.62 is: 33,649.44
Step by Step Solution
- Step 1: Write the proportion equation
67,425.21 : 101,112.30 = 22,438.62 : x - Step 2: Convert to fraction form
67,425.21/101,112.30 = 22,438.62/x - Step 3: Cross multiply
67,425.21x = 101,112.30 × 22,438.62 - Step 4: Simplify right side
67,425.21x = 2,268,820,477.03 - Step 5: Solve for x
x = 2,268,820,477.03/67,425.21 - Step 6: Final answer
x = 33,649.44
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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.