Finding the Fourth Proportional to 80,919.97, 121,394.52 and 24,759.03
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Solution
The fourth proportional to 80,919.97, 121,394.52 and 24,759.03 is: 37,143.00
Step by Step Solution
- Step 1: Write the proportion equation
80,919.97 : 121,394.52 = 24,759.03 : x - Step 2: Convert to fraction form
80,919.97/121,394.52 = 24,759.03/x - Step 3: Cross multiply
80,919.97x = 121,394.52 × 24,759.03 - Step 4: Simplify right side
80,919.97x = 3,005,610,562.52 - Step 5: Solve for x
x = 3,005,610,562.52/80,919.97 - Step 6: Final answer
x = 37,143.00
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.