Finding the Fourth Proportional to 88,563.21, 122,212.77 and 50,317.75
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Solution
The fourth proportional to 88,563.21, 122,212.77 and 50,317.75 is: 69,435.96
Step by Step Solution
- Step 1: Write the proportion equation
88,563.21 : 122,212.77 = 50,317.75 : x - Step 2: Convert to fraction form
88,563.21/122,212.77 = 50,317.75/x - Step 3: Cross multiply
88,563.21x = 122,212.77 × 50,317.75 - Step 4: Simplify right side
88,563.21x = 6,149,471,607.67 - Step 5: Solve for x
x = 6,149,471,607.67/88,563.21 - Step 6: Final answer
x = 69,435.96
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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.