Home / 111,822.26-167,734.76-61,999.70

Finding the Fourth Proportional to 111,822.26, 167,734.76 and 61,999.70

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Solution

The fourth proportional to 111,822.26, 167,734.76 and 61,999.70 is: 93,000.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,822.26 : 167,734.76 = 61,999.70 : x
  2. Step 2: Convert to fraction form
    111,822.26/167,734.76 = 61,999.70/x
  3. Step 3: Cross multiply
    111,822.26x = 167,734.76 × 61,999.70
  4. Step 4: Simplify right side
    111,822.26x = 10,399,503,650.90
  5. Step 5: Solve for x
    x = 10,399,503,650.90/111,822.26
  6. Step 6: Final answer
    x = 93,000.30

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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.