Home / 89,455.62-123,446.25-49,169.46

Finding the Fourth Proportional to 89,455.62, 123,446.25 and 49,169.46

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Solution

The fourth proportional to 89,455.62, 123,446.25 and 49,169.46 is: 67,852.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,455.62 : 123,446.25 = 49,169.46 : x
  2. Step 2: Convert to fraction form
    89,455.62/123,446.25 = 49,169.46/x
  3. Step 3: Cross multiply
    89,455.62x = 123,446.25 × 49,169.46
  4. Step 4: Simplify right side
    89,455.62x = 6,069,785,451.53
  5. Step 5: Solve for x
    x = 6,069,785,451.53/89,455.62
  6. Step 6: Final answer
    x = 67,852.48

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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.