Finding the Fourth Proportional to 71,794.21, 107,740.52 and 25,047.09
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Solution
The fourth proportional to 71,794.21, 107,740.52 and 25,047.09 is: 37,587.80
Step by Step Solution
- Step 1: Write the proportion equation
71,794.21 : 107,740.52 = 25,047.09 : x - Step 2: Convert to fraction form
71,794.21/107,740.52 = 25,047.09/x - Step 3: Cross multiply
71,794.21x = 107,740.52 × 25,047.09 - Step 4: Simplify right side
71,794.21x = 2,698,586,501.09 - Step 5: Solve for x
x = 2,698,586,501.09/71,794.21 - Step 6: Final answer
x = 37,587.80
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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.