Finding the Fourth Proportional to 125,641.42, 173,377.83 and 69,052.84
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Solution
The fourth proportional to 125,641.42, 173,377.83 and 69,052.84 is: 95,288.89
Step by Step Solution
- Step 1: Write the proportion equation
125,641.42 : 173,377.83 = 69,052.84 : x - Step 2: Convert to fraction form
125,641.42/173,377.83 = 69,052.84/x - Step 3: Cross multiply
125,641.42x = 173,377.83 × 69,052.84 - Step 4: Simplify right side
125,641.42x = 11,972,231,554.54 - Step 5: Solve for x
x = 11,972,231,554.54/125,641.42 - Step 6: Final answer
x = 95,288.89
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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.