Home / 49,230.70-73,846.05-45,429.10

Finding the Fourth Proportional to 49,230.70, 73,846.05 and 45,429.10

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Solution

The fourth proportional to 49,230.70, 73,846.05 and 45,429.10 is: 68,143.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,230.70 : 73,846.05 = 45,429.10 : x
  2. Step 2: Convert to fraction form
    49,230.70/73,846.05 = 45,429.10/x
  3. Step 3: Cross multiply
    49,230.70x = 73,846.05 × 45,429.10
  4. Step 4: Simplify right side
    49,230.70x = 3,354,759,590.06
  5. Step 5: Solve for x
    x = 3,354,759,590.06/49,230.70
  6. Step 6: Final answer
    x = 68,143.65

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Similar ratio
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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.