Finding the Fourth Proportional to 71,303.36, 107,013.50 and 29,183.85
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Solution
The fourth proportional to 71,303.36, 107,013.50 and 29,183.85 is: 43,799.70
Step by Step Solution
- Step 1: Write the proportion equation
71,303.36 : 107,013.50 = 29,183.85 : x - Step 2: Convert to fraction form
71,303.36/107,013.50 = 29,183.85/x - Step 3: Cross multiply
71,303.36x = 107,013.50 × 29,183.85 - Step 4: Simplify right side
71,303.36x = 3,123,065,786.06 - Step 5: Solve for x
x = 3,123,065,786.06/71,303.36 - Step 6: Final answer
x = 43,799.70
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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.