Finding the Fourth Proportional to 74,146.16, 111,141.48 and 34,670
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Solution
The fourth proportional to 74,146.16, 111,141.48 and 34,670 is: 51,968.64
Step by Step Solution
- Step 1: Write the proportion equation
74,146.16 : 111,141.48 = 34,670 : x - Step 2: Convert to fraction form
74,146.16/111,141.48 = 34,670/x - Step 3: Cross multiply
74,146.16x = 111,141.48 × 34,670 - Step 4: Simplify right side
74,146.16x = 3,853,275,111.60 - Step 5: Solve for x
x = 3,853,275,111.60/74,146.16 - Step 6: Final answer
x = 51,968.64
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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.