Finding the Fourth Proportional to 83,847.70, 125,917.35 and 44,481.70
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Solution
The fourth proportional to 83,847.70, 125,917.35 and 44,481.70 is: 66,799.90
Step by Step Solution
- Step 1: Write the proportion equation
83,847.70 : 125,917.35 = 44,481.70 : x - Step 2: Convert to fraction form
83,847.70/125,917.35 = 44,481.70/x - Step 3: Cross multiply
83,847.70x = 125,917.35 × 44,481.70 - Step 4: Simplify right side
83,847.70x = 5,601,017,787.50 - Step 5: Solve for x
x = 5,601,017,787.50/83,847.70 - Step 6: Final answer
x = 66,799.90
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.