Finding the Fourth Proportional to 67,474.62, 101,188.44 and 28,021.14
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Solution
The fourth proportional to 67,474.62, 101,188.44 and 28,021.14 is: 42,021.95
Step by Step Solution
- Step 1: Write the proportion equation
67,474.62 : 101,188.44 = 28,021.14 : x - Step 2: Convert to fraction form
67,474.62/101,188.44 = 28,021.14/x - Step 3: Cross multiply
67,474.62x = 101,188.44 × 28,021.14 - Step 4: Simplify right side
67,474.62x = 2,835,415,443.62 - Step 5: Solve for x
x = 2,835,415,443.62/67,474.62 - Step 6: Final answer
x = 42,021.95
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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.