Home / 103,732.36-155,563.92-40,536.04

Finding the Fourth Proportional to 103,732.36, 155,563.92 and 40,536.04

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Solution

The fourth proportional to 103,732.36, 155,563.92 and 40,536.04 is: 60,790.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,732.36 : 155,563.92 = 40,536.04 : x
  2. Step 2: Convert to fraction form
    103,732.36/155,563.92 = 40,536.04/x
  3. Step 3: Cross multiply
    103,732.36x = 155,563.92 × 40,536.04
  4. Step 4: Simplify right side
    103,732.36x = 6,305,945,283.68
  5. Step 5: Solve for x
    x = 6,305,945,283.68/103,732.36
  6. Step 6: Final answer
    x = 60,790.53

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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.