Home / 104,769.42-144,581.79-57,023.11

Finding the Fourth Proportional to 104,769.42, 144,581.79 and 57,023.11

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Solution

The fourth proportional to 104,769.42, 144,581.79 and 57,023.11 is: 78,691.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,769.42 : 144,581.79 = 57,023.11 : x
  2. Step 2: Convert to fraction form
    104,769.42/144,581.79 = 57,023.11/x
  3. Step 3: Cross multiply
    104,769.42x = 144,581.79 × 57,023.11
  4. Step 4: Simplify right side
    104,769.42x = 8,244,503,315.17
  5. Step 5: Solve for x
    x = 8,244,503,315.17/104,769.42
  6. Step 6: Final answer
    x = 78,691.89

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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.