Finding the Fourth Proportional to 71,198.96, 106,798.44 and 26,835.68
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Solution
The fourth proportional to 71,198.96, 106,798.44 and 26,835.68 is: 40,253.52
Step by Step Solution
- Step 1: Write the proportion equation
71,198.96 : 106,798.44 = 26,835.68 : x - Step 2: Convert to fraction form
71,198.96/106,798.44 = 26,835.68/x - Step 3: Cross multiply
71,198.96x = 106,798.44 × 26,835.68 - Step 4: Simplify right side
71,198.96x = 2,866,008,760.34 - Step 5: Solve for x
x = 2,866,008,760.34/71,198.96 - Step 6: Final answer
x = 40,253.52
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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.