Finding the Fourth Proportional to 68,519.24, 102,785.70 and 18,600.14
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Solution
The fourth proportional to 68,519.24, 102,785.70 and 18,600.14 is: 27,902.07
Step by Step Solution
- Step 1: Write the proportion equation
68,519.24 : 102,785.70 = 18,600.14 : x - Step 2: Convert to fraction form
68,519.24/102,785.70 = 18,600.14/x - Step 3: Cross multiply
68,519.24x = 102,785.70 × 18,600.14 - Step 4: Simplify right side
68,519.24x = 1,911,828,410.00 - Step 5: Solve for x
x = 1,911,828,410.00/68,519.24 - Step 6: Final answer
x = 27,902.07
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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.