Finding the Fourth Proportional to 74,021.97, 111,021.35 and 24,101.73
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Solution
The fourth proportional to 74,021.97, 111,021.35 and 24,101.73 is: 36,148.82
Step by Step Solution
- Step 1: Write the proportion equation
74,021.97 : 111,021.35 = 24,101.73 : x - Step 2: Convert to fraction form
74,021.97/111,021.35 = 24,101.73/x - Step 3: Cross multiply
74,021.97x = 111,021.35 × 24,101.73 - Step 4: Simplify right side
74,021.97x = 2,675,806,617.00 - Step 5: Solve for x
x = 2,675,806,617.00/74,021.97 - Step 6: Final answer
x = 36,148.82
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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.