Finding the Fourth Proportional to 83,232.91, 125,120.02 and 66,773.01
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Solution
The fourth proportional to 83,232.91, 125,120.02 and 66,773.01 is: 100,376.65
Step by Step Solution
- Step 1: Write the proportion equation
83,232.91 : 125,120.02 = 66,773.01 : x - Step 2: Convert to fraction form
83,232.91/125,120.02 = 66,773.01/x - Step 3: Cross multiply
83,232.91x = 125,120.02 × 66,773.01 - Step 4: Simplify right side
83,232.91x = 8,354,640,346.66 - Step 5: Solve for x
x = 8,354,640,346.66/83,232.91 - Step 6: Final answer
x = 100,376.65
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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.