Home / 103,945.38-155,917.61-25,059.38

Finding the Fourth Proportional to 103,945.38, 155,917.61 and 25,059.38

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Solution

The fourth proportional to 103,945.38, 155,917.61 and 25,059.38 is: 37,588.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,945.38 : 155,917.61 = 25,059.38 : x
  2. Step 2: Convert to fraction form
    103,945.38/155,917.61 = 25,059.38/x
  3. Step 3: Cross multiply
    103,945.38x = 155,917.61 × 25,059.38
  4. Step 4: Simplify right side
    103,945.38x = 3,907,197,826.77
  5. Step 5: Solve for x
    x = 3,907,197,826.77/103,945.38
  6. Step 6: Final answer
    x = 37,588.95

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.