Home / 111,833.19-167,790.96-51,890.36

Finding the Fourth Proportional to 111,833.19, 167,790.96 and 51,890.36

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Solution

The fourth proportional to 111,833.19, 167,790.96 and 51,890.36 is: 77,854.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,833.19 : 167,790.96 = 51,890.36 : x
  2. Step 2: Convert to fraction form
    111,833.19/167,790.96 = 51,890.36/x
  3. Step 3: Cross multiply
    111,833.19x = 167,790.96 × 51,890.36
  4. Step 4: Simplify right side
    111,833.19x = 8,706,732,480.19
  5. Step 5: Solve for x
    x = 8,706,732,480.19/111,833.19
  6. Step 6: Final answer
    x = 77,854.64

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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.