Home / 103,628.10-155,438.37-33,505.50

Finding the Fourth Proportional to 103,628.10, 155,438.37 and 33,505.50

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Solution

The fourth proportional to 103,628.10, 155,438.37 and 33,505.50 is: 50,257.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,628.10 : 155,438.37 = 33,505.50 : x
  2. Step 2: Convert to fraction form
    103,628.10/155,438.37 = 33,505.50/x
  3. Step 3: Cross multiply
    103,628.10x = 155,438.37 × 33,505.50
  4. Step 4: Simplify right side
    103,628.10x = 5,208,040,306.04
  5. Step 5: Solve for x
    x = 5,208,040,306.04/103,628.10
  6. Step 6: Final answer
    x = 50,257.03

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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.