Home / 111,572.21-167,358.31-32,686.43

Finding the Fourth Proportional to 111,572.21, 167,358.31 and 32,686.43

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Solution

The fourth proportional to 111,572.21, 167,358.31 and 32,686.43 is: 49,029.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,572.21 : 167,358.31 = 32,686.43 : x
  2. Step 2: Convert to fraction form
    111,572.21/167,358.31 = 32,686.43/x
  3. Step 3: Cross multiply
    111,572.21x = 167,358.31 × 32,686.43
  4. Step 4: Simplify right side
    111,572.21x = 5,470,345,521.30
  5. Step 5: Solve for x
    x = 5,470,345,521.30/111,572.21
  6. Step 6: Final answer
    x = 49,029.64

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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.