Finding the Fourth Proportional to 80,722.15, 121,087.78 and 24,564.09
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Solution
The fourth proportional to 80,722.15, 121,087.78 and 24,564.09 is: 36,847.52
Step by Step Solution
- Step 1: Write the proportion equation
80,722.15 : 121,087.78 = 24,564.09 : x - Step 2: Convert to fraction form
80,722.15/121,087.78 = 24,564.09/x - Step 3: Cross multiply
80,722.15x = 121,087.78 × 24,564.09 - Step 4: Simplify right side
80,722.15x = 2,974,410,761.69 - Step 5: Solve for x
x = 2,974,410,761.69/80,722.15 - Step 6: Final answer
x = 36,847.52
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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.