Finding the Fourth Proportional to 71,238.88, 106,872.90 and 24,485.68
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Solution
The fourth proportional to 71,238.88, 106,872.90 and 24,485.68 is: 36,733.53
Step by Step Solution
- Step 1: Write the proportion equation
71,238.88 : 106,872.90 = 24,485.68 : x - Step 2: Convert to fraction form
71,238.88/106,872.90 = 24,485.68/x - Step 3: Cross multiply
71,238.88x = 106,872.90 × 24,485.68 - Step 4: Simplify right side
71,238.88x = 2,616,855,630.07 - Step 5: Solve for x
x = 2,616,855,630.07/71,238.88 - Step 6: Final answer
x = 36,733.53
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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.