Home / 103,955.04-155,944.08-33,821.28

Finding the Fourth Proportional to 103,955.04, 155,944.08 and 33,821.28

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Solution

The fourth proportional to 103,955.04, 155,944.08 and 33,821.28 is: 50,735.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,955.04 : 155,944.08 = 33,821.28 : x
  2. Step 2: Convert to fraction form
    103,955.04/155,944.08 = 33,821.28/x
  3. Step 3: Cross multiply
    103,955.04x = 155,944.08 × 33,821.28
  4. Step 4: Simplify right side
    103,955.04x = 5,274,228,394.02
  5. Step 5: Solve for x
    x = 5,274,228,394.02/103,955.04
  6. Step 6: Final answer
    x = 50,735.67

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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.