Finding the Fourth Proportional to 69,745.74, 104,593.26 and 38,179.12
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Solution
The fourth proportional to 69,745.74, 104,593.26 and 38,179.12 is: 57,254.80
Step by Step Solution
- Step 1: Write the proportion equation
69,745.74 : 104,593.26 = 38,179.12 : x - Step 2: Convert to fraction form
69,745.74/104,593.26 = 38,179.12/x - Step 3: Cross multiply
69,745.74x = 104,593.26 × 38,179.12 - Step 4: Simplify right side
69,745.74x = 3,993,278,624.73 - Step 5: Solve for x
x = 3,993,278,624.73/69,745.74 - Step 6: Final answer
x = 57,254.80
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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.