Finding the Fourth Proportional to 79,311.24, 118,977.84 and 26,735.76
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Solution
The fourth proportional to 79,311.24, 118,977.84 and 26,735.76 is: 40,107.34
Step by Step Solution
- Step 1: Write the proportion equation
79,311.24 : 118,977.84 = 26,735.76 : x - Step 2: Convert to fraction form
79,311.24/118,977.84 = 26,735.76/x - Step 3: Cross multiply
79,311.24x = 118,977.84 × 26,735.76 - Step 4: Simplify right side
79,311.24x = 3,180,962,975.56 - Step 5: Solve for x
x = 3,180,962,975.56/79,311.24 - Step 6: Final answer
x = 40,107.34
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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.