Home / 82,289.68-123,434.70-29,736.28

Finding the Fourth Proportional to 82,289.68, 123,434.70 and 29,736.28

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Solution

The fourth proportional to 82,289.68, 123,434.70 and 29,736.28 is: 44,604.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,289.68 : 123,434.70 = 29,736.28 : x
  2. Step 2: Convert to fraction form
    82,289.68/123,434.70 = 29,736.28/x
  3. Step 3: Cross multiply
    82,289.68x = 123,434.70 × 29,736.28
  4. Step 4: Simplify right side
    82,289.68x = 3,670,488,800.92
  5. Step 5: Solve for x
    x = 3,670,488,800.92/82,289.68
  6. Step 6: Final answer
    x = 44,604.49

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1.5x scale

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.