Home / 89,206.08-123,103.44-48,919.72

Finding the Fourth Proportional to 89,206.08, 123,103.44 and 48,919.72

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Solution

The fourth proportional to 89,206.08, 123,103.44 and 48,919.72 is: 67,508.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,206.08 : 123,103.44 = 48,919.72 : x
  2. Step 2: Convert to fraction form
    89,206.08/123,103.44 = 48,919.72/x
  3. Step 3: Cross multiply
    89,206.08x = 123,103.44 × 48,919.72
  4. Step 4: Simplify right side
    89,206.08x = 6,022,185,815.84
  5. Step 5: Solve for x
    x = 6,022,185,815.84/89,206.08
  6. Step 6: Final answer
    x = 67,508.69

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.