Home / 82,021.45-113,189.61-44,295.70

Finding the Fourth Proportional to 82,021.45, 113,189.61 and 44,295.70

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Solution

The fourth proportional to 82,021.45, 113,189.61 and 44,295.70 is: 61,128.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,021.45 : 113,189.61 = 44,295.70 : x
  2. Step 2: Convert to fraction form
    82,021.45/113,189.61 = 44,295.70/x
  3. Step 3: Cross multiply
    82,021.45x = 113,189.61 × 44,295.70
  4. Step 4: Simplify right side
    82,021.45x = 5,013,813,007.68
  5. Step 5: Solve for x
    x = 5,013,813,007.68/82,021.45
  6. Step 6: Final answer
    x = 61,128.07

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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.