Home / 75,780.03-104,574.04-41,789.95

Finding the Fourth Proportional to 75,780.03, 104,574.04 and 41,789.95

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Solution

The fourth proportional to 75,780.03, 104,574.04 and 41,789.95 is: 57,668.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,780.03 : 104,574.04 = 41,789.95 : x
  2. Step 2: Convert to fraction form
    75,780.03/104,574.04 = 41,789.95/x
  3. Step 3: Cross multiply
    75,780.03x = 104,574.04 × 41,789.95
  4. Step 4: Simplify right side
    75,780.03x = 4,370,143,902.90
  5. Step 5: Solve for x
    x = 4,370,143,902.90/75,780.03
  6. Step 6: Final answer
    x = 57,668.81

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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.