Finding the Fourth Proportional to 81,810.19, 122,715.60 and 24,884.65
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Solution
The fourth proportional to 81,810.19, 122,715.60 and 24,884.65 is: 37,327.07
Step by Step Solution
- Step 1: Write the proportion equation
81,810.19 : 122,715.60 = 24,884.65 : x - Step 2: Convert to fraction form
81,810.19/122,715.60 = 24,884.65/x - Step 3: Cross multiply
81,810.19x = 122,715.60 × 24,884.65 - Step 4: Simplify right side
81,810.19x = 3,053,734,755.54 - Step 5: Solve for x
x = 3,053,734,755.54/81,810.19 - Step 6: Final answer
x = 37,327.07
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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.