Finding the Fourth Proportional to 101,850.21, 140,570.19 and 59,408.75
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Solution
The fourth proportional to 101,850.21, 140,570.19 and 59,408.75 is: 81,993.94
Step by Step Solution
- Step 1: Write the proportion equation
101,850.21 : 140,570.19 = 59,408.75 : x - Step 2: Convert to fraction form
101,850.21/140,570.19 = 59,408.75/x - Step 3: Cross multiply
101,850.21x = 140,570.19 × 59,408.75 - Step 4: Simplify right side
101,850.21x = 8,351,099,626.59 - Step 5: Solve for x
x = 8,351,099,626.59/101,850.21 - Step 6: Final answer
x = 81,993.94
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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.