Finding the Fourth Proportional to 73,745.99, 101,778.21 and 41,919.67
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Solution
The fourth proportional to 73,745.99, 101,778.21 and 41,919.67 is: 57,854.12
Step by Step Solution
- Step 1: Write the proportion equation
73,745.99 : 101,778.21 = 41,919.67 : x - Step 2: Convert to fraction form
73,745.99/101,778.21 = 41,919.67/x - Step 3: Cross multiply
73,745.99x = 101,778.21 × 41,919.67 - Step 4: Simplify right side
73,745.99x = 4,266,509,103.61 - Step 5: Solve for x
x = 4,266,509,103.61/73,745.99 - Step 6: Final answer
x = 57,854.12
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.