Home / 104,005.78-143,545.61-60,391.58

Finding the Fourth Proportional to 104,005.78, 143,545.61 and 60,391.58

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Solution

The fourth proportional to 104,005.78, 143,545.61 and 60,391.58 is: 83,350.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,005.78 : 143,545.61 = 60,391.58 : x
  2. Step 2: Convert to fraction form
    104,005.78/143,545.61 = 60,391.58/x
  3. Step 3: Cross multiply
    104,005.78x = 143,545.61 × 60,391.58
  4. Step 4: Simplify right side
    104,005.78x = 8,668,945,198.59
  5. Step 5: Solve for x
    x = 8,668,945,198.59/104,005.78
  6. Step 6: Final answer
    x = 83,350.61

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1.5x scale

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.