Finding the Fourth Proportional to 67,113.44, 100,684.68 and 20,370.08
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Solution
The fourth proportional to 67,113.44, 100,684.68 and 20,370.08 is: 30,559.53
Step by Step Solution
- Step 1: Write the proportion equation
67,113.44 : 100,684.68 = 20,370.08 : x - Step 2: Convert to fraction form
67,113.44/100,684.68 = 20,370.08/x - Step 3: Cross multiply
67,113.44x = 100,684.68 × 20,370.08 - Step 4: Simplify right side
67,113.44x = 2,050,954,986.37 - Step 5: Solve for x
x = 2,050,954,986.37/67,113.44 - Step 6: Final answer
x = 30,559.53
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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.