Home / 89,155.76-123,037.97-48,869.54

Finding the Fourth Proportional to 89,155.76, 123,037.97 and 48,869.54

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Solution

The fourth proportional to 89,155.76, 123,037.97 and 48,869.54 is: 67,441.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,155.76 : 123,037.97 = 48,869.54 : x
  2. Step 2: Convert to fraction form
    89,155.76/123,037.97 = 48,869.54/x
  3. Step 3: Cross multiply
    89,155.76x = 123,037.97 × 48,869.54
  4. Step 4: Simplify right side
    89,155.76x = 6,012,808,136.90
  5. Step 5: Solve for x
    x = 6,012,808,136.90/89,155.76
  6. Step 6: Final answer
    x = 67,441.62

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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.