Home / 55,179.13-82,768.69-13,626.13

Finding the Fourth Proportional to 55,179.13, 82,768.69 and 13,626.13

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Solution

The fourth proportional to 55,179.13, 82,768.69 and 13,626.13 is: 20,439.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,179.13 : 82,768.69 = 13,626.13 : x
  2. Step 2: Convert to fraction form
    55,179.13/82,768.69 = 13,626.13/x
  3. Step 3: Cross multiply
    55,179.13x = 82,768.69 × 13,626.13
  4. Step 4: Simplify right side
    55,179.13x = 1,127,816,929.87
  5. Step 5: Solve for x
    x = 1,127,816,929.87/55,179.13
  6. Step 6: Final answer
    x = 20,439.19

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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.