Finding the Fourth Proportional to 83,406.77, 125,113.90 and 27,250.31
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Solution
The fourth proportional to 83,406.77, 125,113.90 and 27,250.31 is: 40,876.69
Step by Step Solution
- Step 1: Write the proportion equation
83,406.77 : 125,113.90 = 27,250.31 : x - Step 2: Convert to fraction form
83,406.77/125,113.90 = 27,250.31/x - Step 3: Cross multiply
83,406.77x = 125,113.90 × 27,250.31 - Step 4: Simplify right side
83,406.77x = 3,409,392,560.31 - Step 5: Solve for x
x = 3,409,392,560.31/83,406.77 - Step 6: Final answer
x = 40,876.69
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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.