Home / 89,500.57-123,510.79-49,217.04

Finding the Fourth Proportional to 89,500.57, 123,510.79 and 49,217.04

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Solution

The fourth proportional to 89,500.57, 123,510.79 and 49,217.04 is: 67,919.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,500.57 : 123,510.79 = 49,217.04 : x
  2. Step 2: Convert to fraction form
    89,500.57/123,510.79 = 49,217.04/x
  3. Step 3: Cross multiply
    89,500.57x = 123,510.79 × 49,217.04
  4. Step 4: Simplify right side
    89,500.57x = 6,078,835,491.86
  5. Step 5: Solve for x
    x = 6,078,835,491.86/89,500.57
  6. Step 6: Final answer
    x = 67,919.52

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1.5x scale

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.