Home / 82,572.20-123,858.30-23,408.38

Finding the Fourth Proportional to 82,572.20, 123,858.30 and 23,408.38

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Solution

The fourth proportional to 82,572.20, 123,858.30 and 23,408.38 is: 35,112.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,572.20 : 123,858.30 = 23,408.38 : x
  2. Step 2: Convert to fraction form
    82,572.20/123,858.30 = 23,408.38/x
  3. Step 3: Cross multiply
    82,572.20x = 123,858.30 × 23,408.38
  4. Step 4: Simplify right side
    82,572.20x = 2,899,322,710.59
  5. Step 5: Solve for x
    x = 2,899,322,710.59/82,572.20
  6. Step 6: Final answer
    x = 35,112.58

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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.