Finding the Fourth Proportional to 68,267.16, 102,400.74 and 21,523.68
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Solution
The fourth proportional to 68,267.16, 102,400.74 and 21,523.68 is: 32,285.52
Step by Step Solution
- Step 1: Write the proportion equation
68,267.16 : 102,400.74 = 21,523.68 : x - Step 2: Convert to fraction form
68,267.16/102,400.74 = 21,523.68/x - Step 3: Cross multiply
68,267.16x = 102,400.74 × 21,523.68 - Step 4: Simplify right side
68,267.16x = 2,204,040,759.52 - Step 5: Solve for x
x = 2,204,040,759.52/68,267.16 - Step 6: Final answer
x = 32,285.52
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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.