Finding the Fourth Proportional to 71,739.05, 107,604.41 and 27,370.28
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Solution
The fourth proportional to 71,739.05, 107,604.41 and 27,370.28 is: 41,053.82
Step by Step Solution
- Step 1: Write the proportion equation
71,739.05 : 107,604.41 = 27,370.28 : x - Step 2: Convert to fraction form
71,739.05/107,604.41 = 27,370.28/x - Step 3: Cross multiply
71,739.05x = 107,604.41 × 27,370.28 - Step 4: Simplify right side
71,739.05x = 2,945,162,156.06 - Step 5: Solve for x
x = 2,945,162,156.06/71,739.05 - Step 6: Final answer
x = 41,053.82
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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.