Finding the Fourth Proportional to 66,794.07, 100,202.00 and 31,721.88
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Solution
The fourth proportional to 66,794.07, 100,202.00 and 31,721.88 is: 47,587.99
Step by Step Solution
- Step 1: Write the proportion equation
66,794.07 : 100,202.00 = 31,721.88 : x - Step 2: Convert to fraction form
66,794.07/100,202.00 = 31,721.88/x - Step 3: Cross multiply
66,794.07x = 100,202.00 × 31,721.88 - Step 4: Simplify right side
66,794.07x = 3,178,595,661.15 - Step 5: Solve for x
x = 3,178,595,661.15/66,794.07 - Step 6: Final answer
x = 47,587.99
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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.