Finding the Fourth Proportional to 74,147.68, 111,238.80 and 24,230.08
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Solution
The fourth proportional to 74,147.68, 111,238.80 and 24,230.08 is: 36,350.77
Step by Step Solution
- Step 1: Write the proportion equation
74,147.68 : 111,238.80 = 24,230.08 : x - Step 2: Convert to fraction form
74,147.68/111,238.80 = 24,230.08/x - Step 3: Cross multiply
74,147.68x = 111,238.80 × 24,230.08 - Step 4: Simplify right side
74,147.68x = 2,695,325,023.10 - Step 5: Solve for x
x = 2,695,325,023.10/74,147.68 - Step 6: Final answer
x = 36,350.77
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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.