Finding the Fourth Proportional to 68,919.41, 103,352.36 and 26,793.88
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Solution
The fourth proportional to 68,919.41, 103,352.36 and 26,793.88 is: 40,180.41
Step by Step Solution
- Step 1: Write the proportion equation
68,919.41 : 103,352.36 = 26,793.88 : x - Step 2: Convert to fraction form
68,919.41/103,352.36 = 26,793.88/x - Step 3: Cross multiply
68,919.41x = 103,352.36 × 26,793.88 - Step 4: Simplify right side
68,919.41x = 2,769,210,339.21 - Step 5: Solve for x
x = 2,769,210,339.21/68,919.41 - Step 6: Final answer
x = 40,180.41
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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.