Finding the Fourth Proportional to 88,201.44, 121,720.32 and 50,487.84
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Solution
The fourth proportional to 88,201.44, 121,720.32 and 50,487.84 is: 69,674.55
Step by Step Solution
- Step 1: Write the proportion equation
88,201.44 : 121,720.32 = 50,487.84 : x - Step 2: Convert to fraction form
88,201.44/121,720.32 = 50,487.84/x - Step 3: Cross multiply
88,201.44x = 121,720.32 × 50,487.84 - Step 4: Simplify right side
88,201.44x = 6,145,396,040.91 - Step 5: Solve for x
x = 6,145,396,040.91/88,201.44 - Step 6: Final answer
x = 69,674.55
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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.