Home / 55,369.20-83,013.57-22,079.28

Finding the Fourth Proportional to 55,369.20, 83,013.57 and 22,079.28

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Solution

The fourth proportional to 55,369.20, 83,013.57 and 22,079.28 is: 33,102.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,369.20 : 83,013.57 = 22,079.28 : x
  2. Step 2: Convert to fraction form
    55,369.20/83,013.57 = 22,079.28/x
  3. Step 3: Cross multiply
    55,369.20x = 83,013.57 × 22,079.28
  4. Step 4: Simplify right side
    55,369.20x = 1,832,879,855.83
  5. Step 5: Solve for x
    x = 1,832,879,855.83/55,369.20
  6. Step 6: Final answer
    x = 33,102.88

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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.