Home / 104,908.28-144,771.60-57,161.96

Finding the Fourth Proportional to 104,908.28, 144,771.60 and 57,161.96

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Solution

The fourth proportional to 104,908.28, 144,771.60 and 57,161.96 is: 78,882.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,908.28 : 144,771.60 = 57,161.96 : x
  2. Step 2: Convert to fraction form
    104,908.28/144,771.60 = 57,161.96/x
  3. Step 3: Cross multiply
    104,908.28x = 144,771.60 × 57,161.96
  4. Step 4: Simplify right side
    104,908.28x = 8,275,428,408.34
  5. Step 5: Solve for x
    x = 8,275,428,408.34/104,908.28
  6. Step 6: Final answer
    x = 78,882.51

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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.