Finding the Fourth Proportional to 73,651.92, 110,453.56 and 29,289.68
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Solution
The fourth proportional to 73,651.92, 110,453.56 and 29,289.68 is: 43,924.85
Step by Step Solution
- Step 1: Write the proportion equation
73,651.92 : 110,453.56 = 29,289.68 : x - Step 2: Convert to fraction form
73,651.92/110,453.56 = 29,289.68/x - Step 3: Cross multiply
73,651.92x = 110,453.56 × 29,289.68 - Step 4: Simplify right side
73,651.92x = 3,235,149,427.26 - Step 5: Solve for x
x = 3,235,149,427.26/73,651.92 - Step 6: Final answer
x = 43,924.85
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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.