Home / 82,228.72-123,378.28-26,073.44

Finding the Fourth Proportional to 82,228.72, 123,378.28 and 26,073.44

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Solution

The fourth proportional to 82,228.72, 123,378.28 and 26,073.44 is: 39,121.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,228.72 : 123,378.28 = 26,073.44 : x
  2. Step 2: Convert to fraction form
    82,228.72/123,378.28 = 26,073.44/x
  3. Step 3: Cross multiply
    82,228.72x = 123,378.28 × 26,073.44
  4. Step 4: Simplify right side
    82,228.72x = 3,216,896,180.88
  5. Step 5: Solve for x
    x = 3,216,896,180.88/82,228.72
  6. Step 6: Final answer
    x = 39,121.32

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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.