Home / 49,267.16-73,930.20-18,105.56

Finding the Fourth Proportional to 49,267.16, 73,930.20 and 18,105.56

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Solution

The fourth proportional to 49,267.16, 73,930.20 and 18,105.56 is: 27,169.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,267.16 : 73,930.20 = 18,105.56 : x
  2. Step 2: Convert to fraction form
    49,267.16/73,930.20 = 18,105.56/x
  3. Step 3: Cross multiply
    49,267.16x = 73,930.20 × 18,105.56
  4. Step 4: Simplify right side
    49,267.16x = 1,338,547,671.91
  5. Step 5: Solve for x
    x = 1,338,547,671.91/49,267.16
  6. Step 6: Final answer
    x = 27,169.17

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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.