Finding the Fourth Proportional to 87,122.76, 130,671.84 and 27,950.73
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Solution
The fourth proportional to 87,122.76, 130,671.84 and 27,950.73 is: 41,922.15
Step by Step Solution
- Step 1: Write the proportion equation
87,122.76 : 130,671.84 = 27,950.73 : x - Step 2: Convert to fraction form
87,122.76/130,671.84 = 27,950.73/x - Step 3: Cross multiply
87,122.76x = 130,671.84 × 27,950.73 - Step 4: Simplify right side
87,122.76x = 3,652,373,318.44 - Step 5: Solve for x
x = 3,652,373,318.44/87,122.76 - Step 6: Final answer
x = 41,922.15
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1.5x scale
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.