Home / 82,249.20-123,082.20-56,005.20

Finding the Fourth Proportional to 82,249.20, 123,082.20 and 56,005.20

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Solution

The fourth proportional to 82,249.20, 123,082.20 and 56,005.20 is: 83,809.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,249.20 : 123,082.20 = 56,005.20 : x
  2. Step 2: Convert to fraction form
    82,249.20/123,082.20 = 56,005.20/x
  3. Step 3: Cross multiply
    82,249.20x = 123,082.20 × 56,005.20
  4. Step 4: Simplify right side
    82,249.20x = 6,893,243,227.44
  5. Step 5: Solve for x
    x = 6,893,243,227.44/82,249.20
  6. Step 6: Final answer
    x = 83,809.24

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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.