Finding the Fourth Proportional to 90,437.26, 124,797.33 and 50,149.54
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Solution
The fourth proportional to 90,437.26, 124,797.33 and 50,149.54 is: 69,202.99
Step by Step Solution
- Step 1: Write the proportion equation
90,437.26 : 124,797.33 = 50,149.54 : x - Step 2: Convert to fraction form
90,437.26/124,797.33 = 50,149.54/x - Step 3: Cross multiply
90,437.26x = 124,797.33 × 50,149.54 - Step 4: Simplify right side
90,437.26x = 6,258,528,692.73 - Step 5: Solve for x
x = 6,258,528,692.73/90,437.26 - Step 6: Final answer
x = 69,202.99
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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.