Finding the Fourth Proportional to 74,069.74, 102,229.55 and 41,814.19
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Solution
The fourth proportional to 74,069.74, 102,229.55 and 41,814.19 is: 57,711.09
Step by Step Solution
- Step 1: Write the proportion equation
74,069.74 : 102,229.55 = 41,814.19 : x - Step 2: Convert to fraction form
74,069.74/102,229.55 = 41,814.19/x - Step 3: Cross multiply
74,069.74x = 102,229.55 × 41,814.19 - Step 4: Simplify right side
74,069.74x = 4,274,645,618.24 - Step 5: Solve for x
x = 4,274,645,618.24/74,069.74 - Step 6: Final answer
x = 57,711.09
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.