Finding the Fourth Proportional to 91,141.16, 125,765.26 and 50,304.54
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Solution
The fourth proportional to 91,141.16, 125,765.26 and 50,304.54 is: 69,414.99
Step by Step Solution
- Step 1: Write the proportion equation
91,141.16 : 125,765.26 = 50,304.54 : x - Step 2: Convert to fraction form
91,141.16/125,765.26 = 50,304.54/x - Step 3: Cross multiply
91,141.16x = 125,765.26 × 50,304.54 - Step 4: Simplify right side
91,141.16x = 6,326,563,102.28 - Step 5: Solve for x
x = 6,326,563,102.28/91,141.16 - Step 6: Final answer
x = 69,414.99
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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.