Home / 82,431.62-123,670.60-23,267.80

Finding the Fourth Proportional to 82,431.62, 123,670.60 and 23,267.80

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Solution

The fourth proportional to 82,431.62, 123,670.60 and 23,267.80 is: 34,908.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,431.62 : 123,670.60 = 23,267.80 : x
  2. Step 2: Convert to fraction form
    82,431.62/123,670.60 = 23,267.80/x
  3. Step 3: Cross multiply
    82,431.62x = 123,670.60 × 23,267.80
  4. Step 4: Simplify right side
    82,431.62x = 2,877,542,786.68
  5. Step 5: Solve for x
    x = 2,877,542,786.68/82,431.62
  6. Step 6: Final answer
    x = 34,908.24

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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.