Finding the Fourth Proportional to 86,620.02, 129,930.01 and 27,455.66
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Solution
The fourth proportional to 86,620.02, 129,930.01 and 27,455.66 is: 41,183.48
Step by Step Solution
- Step 1: Write the proportion equation
86,620.02 : 129,930.01 = 27,455.66 : x - Step 2: Convert to fraction form
86,620.02/129,930.01 = 27,455.66/x - Step 3: Cross multiply
86,620.02x = 129,930.01 × 27,455.66 - Step 4: Simplify right side
86,620.02x = 3,567,313,947.30 - Step 5: Solve for x
x = 3,567,313,947.30/86,620.02 - Step 6: Final answer
x = 41,183.48
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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.