Finding the Fourth Proportional to 125,976.36, 173,847.78 and 69,387.88
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Solution
The fourth proportional to 125,976.36, 173,847.78 and 69,387.88 is: 95,755.50
Step by Step Solution
- Step 1: Write the proportion equation
125,976.36 : 173,847.78 = 69,387.88 : x - Step 2: Convert to fraction form
125,976.36/173,847.78 = 69,387.88/x - Step 3: Cross multiply
125,976.36x = 173,847.78 × 69,387.88 - Step 4: Simplify right side
125,976.36x = 12,062,928,896.91 - Step 5: Solve for x
x = 12,062,928,896.91/125,976.36 - Step 6: Final answer
x = 95,755.50
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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.