Home / 111,830.30-167,573.17-51,821.75

Finding the Fourth Proportional to 111,830.30, 167,573.17 and 51,821.75

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Solution

The fourth proportional to 111,830.30, 167,573.17 and 51,821.75 is: 77,652.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,830.30 : 167,573.17 = 51,821.75 : x
  2. Step 2: Convert to fraction form
    111,830.30/167,573.17 = 51,821.75/x
  3. Step 3: Cross multiply
    111,830.30x = 167,573.17 × 51,821.75
  4. Step 4: Simplify right side
    111,830.30x = 8,683,934,922.45
  5. Step 5: Solve for x
    x = 8,683,934,922.45/111,830.30
  6. Step 6: Final answer
    x = 77,652.79

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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.