Finding the Fourth Proportional to 83,991.30, 125,993.49 and 27,829.14
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Solution
The fourth proportional to 83,991.30, 125,993.49 and 27,829.14 is: 41,745.88
Step by Step Solution
- Step 1: Write the proportion equation
83,991.30 : 125,993.49 = 27,829.14 : x - Step 2: Convert to fraction form
83,991.30/125,993.49 = 27,829.14/x - Step 3: Cross multiply
83,991.30x = 125,993.49 × 27,829.14 - Step 4: Simplify right side
83,991.30x = 3,506,290,472.30 - Step 5: Solve for x
x = 3,506,290,472.30/83,991.30 - Step 6: Final answer
x = 41,745.88
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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.