Finding the Fourth Proportional to 80,785.68, 121,203.22 and 41,370.68
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Solution
The fourth proportional to 80,785.68, 121,203.22 and 41,370.68 is: 62,068.67
Step by Step Solution
- Step 1: Write the proportion equation
80,785.68 : 121,203.22 = 41,370.68 : x - Step 2: Convert to fraction form
80,785.68/121,203.22 = 41,370.68/x - Step 3: Cross multiply
80,785.68x = 121,203.22 × 41,370.68 - Step 4: Simplify right side
80,785.68x = 5,014,259,629.59 - Step 5: Solve for x
x = 5,014,259,629.59/80,785.68 - Step 6: Final answer
x = 62,068.67
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1.5x scale
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.