Home / 73,443.38-110,164.80-20,852.86

Finding the Fourth Proportional to 73,443.38, 110,164.80 and 20,852.86

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Solution

The fourth proportional to 73,443.38, 110,164.80 and 20,852.86 is: 31,279.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,443.38 : 110,164.80 = 20,852.86 : x
  2. Step 2: Convert to fraction form
    73,443.38/110,164.80 = 20,852.86/x
  3. Step 3: Cross multiply
    73,443.38x = 110,164.80 × 20,852.86
  4. Step 4: Simplify right side
    73,443.38x = 2,297,251,151.33
  5. Step 5: Solve for x
    x = 2,297,251,151.33/73,443.38
  6. Step 6: Final answer
    x = 31,279.21

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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.