Finding the Fourth Proportional to 75,305.51, 112,954.85 and 33,174.33
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Solution
The fourth proportional to 75,305.51, 112,954.85 and 33,174.33 is: 49,759.99
Step by Step Solution
- Step 1: Write the proportion equation
75,305.51 : 112,954.85 = 33,174.33 : x - Step 2: Convert to fraction form
75,305.51/112,954.85 = 33,174.33/x - Step 3: Cross multiply
75,305.51x = 112,954.85 × 33,174.33 - Step 4: Simplify right side
75,305.51x = 3,747,201,303.13 - Step 5: Solve for x
x = 3,747,201,303.13/75,305.51 - Step 6: Final answer
x = 49,759.99
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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.