Finding the Fourth Proportional to 69,954.89, 104,963.24 and 36,666.99
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Solution
The fourth proportional to 69,954.89, 104,963.24 and 36,666.99 is: 55,016.69
Step by Step Solution
- Step 1: Write the proportion equation
69,954.89 : 104,963.24 = 36,666.99 : x - Step 2: Convert to fraction form
69,954.89/104,963.24 = 36,666.99/x - Step 3: Cross multiply
69,954.89x = 104,963.24 × 36,666.99 - Step 4: Simplify right side
69,954.89x = 3,848,686,163.12 - Step 5: Solve for x
x = 3,848,686,163.12/69,954.89 - Step 6: Final answer
x = 55,016.69
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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.