Finding the Fourth Proportional to 80,756.74, 121,148.94 and 27,443.08
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Solution
The fourth proportional to 80,756.74, 121,148.94 and 27,443.08 is: 41,169.32
Step by Step Solution
- Step 1: Write the proportion equation
80,756.74 : 121,148.94 = 27,443.08 : x - Step 2: Convert to fraction form
80,756.74/121,148.94 = 27,443.08/x - Step 3: Cross multiply
80,756.74x = 121,148.94 × 27,443.08 - Step 4: Simplify right side
80,756.74x = 3,324,700,052.34 - Step 5: Solve for x
x = 3,324,700,052.34/80,756.74 - Step 6: Final answer
x = 41,169.32
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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.