Finding the Fourth Proportional to 80,690.44, 121,048.68 and 33,956.68
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Solution
The fourth proportional to 80,690.44, 121,048.68 and 33,956.68 is: 50,940.50
Step by Step Solution
- Step 1: Write the proportion equation
80,690.44 : 121,048.68 = 33,956.68 : x - Step 2: Convert to fraction form
80,690.44/121,048.68 = 33,956.68/x - Step 3: Cross multiply
80,690.44x = 121,048.68 × 33,956.68 - Step 4: Simplify right side
80,690.44x = 4,110,411,291.18 - Step 5: Solve for x
x = 4,110,411,291.18/80,690.44 - Step 6: Final answer
x = 50,940.50
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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.