Home / 111,923.15-167,779.20-55,710.14

Finding the Fourth Proportional to 111,923.15, 167,779.20 and 55,710.14

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Solution

The fourth proportional to 111,923.15, 167,779.20 and 55,710.14 is: 83,512.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,923.15 : 167,779.20 = 55,710.14 : x
  2. Step 2: Convert to fraction form
    111,923.15/167,779.20 = 55,710.14/x
  3. Step 3: Cross multiply
    111,923.15x = 167,779.20 × 55,710.14
  4. Step 4: Simplify right side
    111,923.15x = 9,347,002,721.09
  5. Step 5: Solve for x
    x = 9,347,002,721.09/111,923.15
  6. Step 6: Final answer
    x = 83,512.68

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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.