Finding the Fourth Proportional to 76,880.85, 115,336.84 and 32,507.53
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Solution
The fourth proportional to 76,880.85, 115,336.84 and 32,507.53 is: 48,767.88
Step by Step Solution
- Step 1: Write the proportion equation
76,880.85 : 115,336.84 = 32,507.53 : x - Step 2: Convert to fraction form
76,880.85/115,336.84 = 32,507.53/x - Step 3: Cross multiply
76,880.85x = 115,336.84 × 32,507.53 - Step 4: Simplify right side
76,880.85x = 3,749,315,786.41 - Step 5: Solve for x
x = 3,749,315,786.41/76,880.85 - Step 6: Final answer
x = 48,767.88
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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.