Finding the Fourth Proportional to 80,761.24, 121,155.70 and 27,447.58
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Solution
The fourth proportional to 80,761.24, 121,155.70 and 27,447.58 is: 41,176.07
Step by Step Solution
- Step 1: Write the proportion equation
80,761.24 : 121,155.70 = 27,447.58 : x - Step 2: Convert to fraction form
80,761.24/121,155.70 = 27,447.58/x - Step 3: Cross multiply
80,761.24x = 121,155.70 × 27,447.58 - Step 4: Simplify right side
80,761.24x = 3,325,430,768.21 - Step 5: Solve for x
x = 3,325,430,768.21/80,761.24 - Step 6: Final answer
x = 41,176.07
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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.