Finding the Fourth Proportional to 74,172.36, 111,272.87 and 24,238.99
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Solution
The fourth proportional to 74,172.36, 111,272.87 and 24,238.99 is: 36,363.17
Step by Step Solution
- Step 1: Write the proportion equation
74,172.36 : 111,272.87 = 24,238.99 : x - Step 2: Convert to fraction form
74,172.36/111,272.87 = 24,238.99/x - Step 3: Cross multiply
74,172.36x = 111,272.87 × 24,238.99 - Step 4: Simplify right side
74,172.36x = 2,697,141,983.20 - Step 5: Solve for x
x = 2,697,141,983.20/74,172.36 - Step 6: Final answer
x = 36,363.17
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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.