Finding the Fourth Proportional to 75,603.21, 104,288.97 and 47,259.69
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Solution
The fourth proportional to 75,603.21, 104,288.97 and 47,259.69 is: 65,191.20
Step by Step Solution
- Step 1: Write the proportion equation
75,603.21 : 104,288.97 = 47,259.69 : x - Step 2: Convert to fraction form
75,603.21/104,288.97 = 47,259.69/x - Step 3: Cross multiply
75,603.21x = 104,288.97 × 47,259.69 - Step 4: Simplify right side
75,603.21x = 4,928,663,912.92 - Step 5: Solve for x
x = 4,928,663,912.92/75,603.21 - Step 6: Final answer
x = 65,191.20
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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.