Finding the Fourth Proportional to 73,527.40, 110,346.72 and 53,857.09
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Solution
The fourth proportional to 73,527.40, 110,346.72 and 53,857.09 is: 80,826.38
Step by Step Solution
- Step 1: Write the proportion equation
73,527.40 : 110,346.72 = 53,857.09 : x - Step 2: Convert to fraction form
73,527.40/110,346.72 = 53,857.09/x - Step 3: Cross multiply
73,527.40x = 110,346.72 × 53,857.09 - Step 4: Simplify right side
73,527.40x = 5,942,953,230.24 - Step 5: Solve for x
x = 5,942,953,230.24/73,527.40 - Step 6: Final answer
x = 80,826.38
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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.