Finding the Fourth Proportional to 80,896.20, 121,328.64 and 24,722.70
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Solution
The fourth proportional to 80,896.20, 121,328.64 and 24,722.70 is: 37,079.26
Step by Step Solution
- Step 1: Write the proportion equation
80,896.20 : 121,328.64 = 24,722.70 : x - Step 2: Convert to fraction form
80,896.20/121,328.64 = 24,722.70/x - Step 3: Cross multiply
80,896.20x = 121,328.64 × 24,722.70 - Step 4: Simplify right side
80,896.20x = 2,999,571,568.13 - Step 5: Solve for x
x = 2,999,571,568.13/80,896.20 - Step 6: Final answer
x = 37,079.26
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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.