Finding the Fourth Proportional to 71,940.80, 107,905.44 and 24,551.84
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Solution
The fourth proportional to 71,940.80, 107,905.44 and 24,551.84 is: 36,825.79
Step by Step Solution
- Step 1: Write the proportion equation
71,940.80 : 107,905.44 = 24,551.84 : x - Step 2: Convert to fraction form
71,940.80/107,905.44 = 24,551.84/x - Step 3: Cross multiply
71,940.80x = 107,905.44 × 24,551.84 - Step 4: Simplify right side
71,940.80x = 2,649,277,098.01 - Step 5: Solve for x
x = 2,649,277,098.01/71,940.80 - Step 6: Final answer
x = 36,825.79
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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.