Finding the Fourth Proportional to 88,161.93, 121,661.28 and 50,433.75
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Solution
The fourth proportional to 88,161.93, 121,661.28 and 50,433.75 is: 69,597.33
Step by Step Solution
- Step 1: Write the proportion equation
88,161.93 : 121,661.28 = 50,433.75 : x - Step 2: Convert to fraction form
88,161.93/121,661.28 = 50,433.75/x - Step 3: Cross multiply
88,161.93x = 121,661.28 × 50,433.75 - Step 4: Simplify right side
88,161.93x = 6,135,834,580.20 - Step 5: Solve for x
x = 6,135,834,580.20/88,161.93 - Step 6: Final answer
x = 69,597.33
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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.