Finding the Fourth Proportional to 83,486.06, 125,240.87 and 27,330.72
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Solution
The fourth proportional to 83,486.06, 125,240.87 and 27,330.72 is: 40,999.94
Step by Step Solution
- Step 1: Write the proportion equation
83,486.06 : 125,240.87 = 27,330.72 : x - Step 2: Convert to fraction form
83,486.06/125,240.87 = 27,330.72/x - Step 3: Cross multiply
83,486.06x = 125,240.87 × 27,330.72 - Step 4: Simplify right side
83,486.06x = 3,422,923,150.53 - Step 5: Solve for x
x = 3,422,923,150.53/83,486.06 - Step 6: Final answer
x = 40,999.94
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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.