Finding the Fourth Proportional to 83,918.63, 125,847.97 and 27,748.37
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Solution
The fourth proportional to 83,918.63, 125,847.97 and 27,748.37 is: 41,612.65
Step by Step Solution
- Step 1: Write the proportion equation
83,918.63 : 125,847.97 = 27,748.37 : x - Step 2: Convert to fraction form
83,918.63/125,847.97 = 27,748.37/x - Step 3: Cross multiply
83,918.63x = 125,847.97 × 27,748.37 - Step 4: Simplify right side
83,918.63x = 3,492,076,280.56 - Step 5: Solve for x
x = 3,492,076,280.56/83,918.63 - Step 6: Final answer
x = 41,612.65
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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.