Finding the Fourth Proportional to 83,879.70, 125,965.35 and 44,513.70
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Solution
The fourth proportional to 83,879.70, 125,965.35 and 44,513.70 is: 66,847.92
Step by Step Solution
- Step 1: Write the proportion equation
83,879.70 : 125,965.35 = 44,513.70 : x - Step 2: Convert to fraction form
83,879.70/125,965.35 = 44,513.70/x - Step 3: Cross multiply
83,879.70x = 125,965.35 × 44,513.70 - Step 4: Simplify right side
83,879.70x = 5,607,183,800.30 - Step 5: Solve for x
x = 5,607,183,800.30/83,879.70 - Step 6: Final answer
x = 66,847.92
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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.