Home / 82,604.38-113,930.58-55,704.28

Finding the Fourth Proportional to 82,604.38, 113,930.58 and 55,704.28

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Solution

The fourth proportional to 82,604.38, 113,930.58 and 55,704.28 is: 76,829.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,604.38 : 113,930.58 = 55,704.28 : x
  2. Step 2: Convert to fraction form
    82,604.38/113,930.58 = 55,704.28/x
  3. Step 3: Cross multiply
    82,604.38x = 113,930.58 × 55,704.28
  4. Step 4: Simplify right side
    82,604.38x = 6,346,420,928.88
  5. Step 5: Solve for x
    x = 6,346,420,928.88/82,604.38
  6. Step 6: Final answer
    x = 76,829.11

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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.