Finding the Fourth Proportional to 89,874.08, 124,027.20 and 49,589.12
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Solution
The fourth proportional to 89,874.08, 124,027.20 and 49,589.12 is: 68,433.52
Step by Step Solution
- Step 1: Write the proportion equation
89,874.08 : 124,027.20 = 49,589.12 : x - Step 2: Convert to fraction form
89,874.08/124,027.20 = 49,589.12/x - Step 3: Cross multiply
89,874.08x = 124,027.20 × 49,589.12 - Step 4: Simplify right side
89,874.08x = 6,150,399,704.06 - Step 5: Solve for x
x = 6,150,399,704.06/89,874.08 - Step 6: Final answer
x = 68,433.52
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.