Finding the Fourth Proportional to 125,976.96, 173,844.62 and 68,614.98
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Solution
The fourth proportional to 125,976.96, 173,844.62 and 68,614.98 is: 94,686.72
Step by Step Solution
- Step 1: Write the proportion equation
125,976.96 : 173,844.62 = 68,614.98 : x - Step 2: Convert to fraction form
125,976.96/173,844.62 = 68,614.98/x - Step 3: Cross multiply
125,976.96x = 173,844.62 × 68,614.98 - Step 4: Simplify right side
125,976.96x = 11,928,345,124.41 - Step 5: Solve for x
x = 11,928,345,124.41/125,976.96 - Step 6: Final answer
x = 94,686.72
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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.