Home / 104,155.74-143,758.26-67,792.68

Finding the Fourth Proportional to 104,155.74, 143,758.26 and 67,792.68

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Solution

The fourth proportional to 104,155.74, 143,758.26 and 67,792.68 is: 93,569.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,155.74 : 143,758.26 = 67,792.68 : x
  2. Step 2: Convert to fraction form
    104,155.74/143,758.26 = 67,792.68/x
  3. Step 3: Cross multiply
    104,155.74x = 143,758.26 × 67,792.68
  4. Step 4: Simplify right side
    104,155.74x = 9,745,757,717.54
  5. Step 5: Solve for x
    x = 9,745,757,717.54/104,155.74
  6. Step 6: Final answer
    x = 93,569.09

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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.