Finding the Fourth Proportional to 104,767.70, 144,582.50 and 57,024.14
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Solution
The fourth proportional to 104,767.70, 144,582.50 and 57,024.14 is: 78,694.99
Step by Step Solution
- Step 1: Write the proportion equation
104,767.70 : 144,582.50 = 57,024.14 : x - Step 2: Convert to fraction form
104,767.70/144,582.50 = 57,024.14/x - Step 3: Cross multiply
104,767.70x = 144,582.50 × 57,024.14 - Step 4: Simplify right side
104,767.70x = 8,244,692,797.89 - Step 5: Solve for x
x = 8,244,692,797.89/104,767.70 - Step 6: Final answer
x = 78,694.99
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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.