Finding the Fourth Proportional to 103,847.13, 155,785.73 and 32,745.63
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Solution
The fourth proportional to 103,847.13, 155,785.73 and 32,745.63 is: 49,123.18
Step by Step Solution
- Step 1: Write the proportion equation
103,847.13 : 155,785.73 = 32,745.63 : x - Step 2: Convert to fraction form
103,847.13/155,785.73 = 32,745.63/x - Step 3: Cross multiply
103,847.13x = 155,785.73 × 32,745.63 - Step 4: Simplify right side
103,847.13x = 5,101,301,710.13 - Step 5: Solve for x
x = 5,101,301,710.13/103,847.13 - Step 6: Final answer
x = 49,123.18
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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.