Home / 82,175.14-123,281.18-26,018.60

Finding the Fourth Proportional to 82,175.14, 123,281.18 and 26,018.60

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Solution

The fourth proportional to 82,175.14, 123,281.18 and 26,018.60 is: 39,033.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,175.14 : 123,281.18 = 26,018.60 : x
  2. Step 2: Convert to fraction form
    82,175.14/123,281.18 = 26,018.60/x
  3. Step 3: Cross multiply
    82,175.14x = 123,281.18 × 26,018.60
  4. Step 4: Simplify right side
    82,175.14x = 3,207,603,579.86
  5. Step 5: Solve for x
    x = 3,207,603,579.86/82,175.14
  6. Step 6: Final answer
    x = 39,033.75

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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.