Finding the Fourth Proportional to 82,890.11, 124,335.17 and 23,725.99
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Solution
The fourth proportional to 82,890.11, 124,335.17 and 23,725.99 is: 35,588.99
Step by Step Solution
- Step 1: Write the proportion equation
82,890.11 : 124,335.17 = 23,725.99 : x - Step 2: Convert to fraction form
82,890.11/124,335.17 = 23,725.99/x - Step 3: Cross multiply
82,890.11x = 124,335.17 × 23,725.99 - Step 4: Simplify right side
82,890.11x = 2,949,975,000.07 - Step 5: Solve for x
x = 2,949,975,000.07/82,890.11 - Step 6: Final answer
x = 35,588.99
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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.