Home / 111,829.30-167,571.67-51,820.75

Finding the Fourth Proportional to 111,829.30, 167,571.67 and 51,820.75

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Solution

The fourth proportional to 111,829.30, 167,571.67 and 51,820.75 is: 77,651.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,829.30 : 167,571.67 = 51,820.75 : x
  2. Step 2: Convert to fraction form
    111,829.30/167,571.67 = 51,820.75/x
  3. Step 3: Cross multiply
    111,829.30x = 167,571.67 × 51,820.75
  4. Step 4: Simplify right side
    111,829.30x = 8,683,689,618.15
  5. Step 5: Solve for x
    x = 8,683,689,618.15/111,829.30
  6. Step 6: Final answer
    x = 77,651.29

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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.