Finding the Fourth Proportional to 73,722.20, 110,574.75 and 38,163.63
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Solution
The fourth proportional to 73,722.20, 110,574.75 and 38,163.63 is: 57,241.02
Step by Step Solution
- Step 1: Write the proportion equation
73,722.20 : 110,574.75 = 38,163.63 : x - Step 2: Convert to fraction form
73,722.20/110,574.75 = 38,163.63/x - Step 3: Cross multiply
73,722.20x = 110,574.75 × 38,163.63 - Step 4: Simplify right side
73,722.20x = 4,219,933,771.11 - Step 5: Solve for x
x = 4,219,933,771.11/73,722.20 - Step 6: Final answer
x = 57,241.02
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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.