Finding the Fourth Proportional to 83,933.06, 125,918.14 and 27,790.70
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Solution
The fourth proportional to 83,933.06, 125,918.14 and 27,790.70 is: 41,692.19
Step by Step Solution
- Step 1: Write the proportion equation
83,933.06 : 125,918.14 = 27,790.70 : x - Step 2: Convert to fraction form
83,933.06/125,918.14 = 27,790.70/x - Step 3: Cross multiply
83,933.06x = 125,918.14 × 27,790.70 - Step 4: Simplify right side
83,933.06x = 3,499,353,253.30 - Step 5: Solve for x
x = 3,499,353,253.30/83,933.06 - Step 6: Final answer
x = 41,692.19
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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.