Finding the Fourth Proportional to 71,186.24, 106,762.80 and 26,817.44
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Solution
The fourth proportional to 71,186.24, 106,762.80 and 26,817.44 is: 40,219.92
Step by Step Solution
- Step 1: Write the proportion equation
71,186.24 : 106,762.80 = 26,817.44 : x - Step 2: Convert to fraction form
71,186.24/106,762.80 = 26,817.44/x - Step 3: Cross multiply
71,186.24x = 106,762.80 × 26,817.44 - Step 4: Simplify right side
71,186.24x = 2,863,104,983.23 - Step 5: Solve for x
x = 2,863,104,983.23/71,186.24 - Step 6: Final answer
x = 40,219.92
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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.