Finding the Fourth Proportional to 87,846.66, 121,226.94 and 47,560.05
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Solution
The fourth proportional to 87,846.66, 121,226.94 and 47,560.05 is: 65,632.08
Step by Step Solution
- Step 1: Write the proportion equation
87,846.66 : 121,226.94 = 47,560.05 : x - Step 2: Convert to fraction form
87,846.66/121,226.94 = 47,560.05/x - Step 3: Cross multiply
87,846.66x = 121,226.94 × 47,560.05 - Step 4: Simplify right side
87,846.66x = 5,765,559,327.75 - Step 5: Solve for x
x = 5,765,559,327.75/87,846.66 - Step 6: Final answer
x = 65,632.08
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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.