Finding the Fourth Proportional to 67,392.12, 101,107.62 and 27,941.88
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Solution
The fourth proportional to 67,392.12, 101,107.62 and 27,941.88 is: 41,920.88
Step by Step Solution
- Step 1: Write the proportion equation
67,392.12 : 101,107.62 = 27,941.88 : x - Step 2: Convert to fraction form
67,392.12/101,107.62 = 27,941.88/x - Step 3: Cross multiply
67,392.12x = 101,107.62 × 27,941.88 - Step 4: Simplify right side
67,392.12x = 2,825,136,985.13 - Step 5: Solve for x
x = 2,825,136,985.13/67,392.12 - Step 6: Final answer
x = 41,920.88
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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.