Finding the Fourth Proportional to 83,418.10, 125,134.08 and 27,257.02
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Solution
The fourth proportional to 83,418.10, 125,134.08 and 27,257.02 is: 40,887.79
Step by Step Solution
- Step 1: Write the proportion equation
83,418.10 : 125,134.08 = 27,257.02 : x - Step 2: Convert to fraction form
83,418.10/125,134.08 = 27,257.02/x - Step 3: Cross multiply
83,418.10x = 125,134.08 × 27,257.02 - Step 4: Simplify right side
83,418.10x = 3,410,782,121.24 - Step 5: Solve for x
x = 3,410,782,121.24/83,418.10 - Step 6: Final answer
x = 40,887.79
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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.