Finding the Fourth Proportional to 125,399.56, 173,050.68 and 68,812.96
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Solution
The fourth proportional to 125,399.56, 173,050.68 and 68,812.96 is: 94,961.49
Step by Step Solution
- Step 1: Write the proportion equation
125,399.56 : 173,050.68 = 68,812.96 : x - Step 2: Convert to fraction form
125,399.56/173,050.68 = 68,812.96/x - Step 3: Cross multiply
125,399.56x = 173,050.68 × 68,812.96 - Step 4: Simplify right side
125,399.56x = 11,908,129,520.81 - Step 5: Solve for x
x = 11,908,129,520.81/125,399.56 - Step 6: Final answer
x = 94,961.49
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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.