Finding the Fourth Proportional to 83,558.22, 125,416.91 and 51,872.39
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Solution
The fourth proportional to 83,558.22, 125,416.91 and 51,872.39 is: 77,857.99
Step by Step Solution
- Step 1: Write the proportion equation
83,558.22 : 125,416.91 = 51,872.39 : x - Step 2: Convert to fraction form
83,558.22/125,416.91 = 51,872.39/x - Step 3: Cross multiply
83,558.22x = 125,416.91 × 51,872.39 - Step 4: Simplify right side
83,558.22x = 6,505,674,868.11 - Step 5: Solve for x
x = 6,505,674,868.11/83,558.22 - Step 6: Final answer
x = 77,857.99
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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.