Home / 111,487.77-167,256.50-55,358.73

Finding the Fourth Proportional to 111,487.77, 167,256.50 and 55,358.73

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Solution

The fourth proportional to 111,487.77, 167,256.50 and 55,358.73 is: 83,050.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,487.77 : 167,256.50 = 55,358.73 : x
  2. Step 2: Convert to fraction form
    111,487.77/167,256.50 = 55,358.73/x
  3. Step 3: Cross multiply
    111,487.77x = 167,256.50 × 55,358.73
  4. Step 4: Simplify right side
    111,487.77x = 9,259,107,147.45
  5. Step 5: Solve for x
    x = 9,259,107,147.45/111,487.77
  6. Step 6: Final answer
    x = 83,050.43

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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.