Home / 111,999.90-167,941.53-52,819.68

Finding the Fourth Proportional to 111,999.90, 167,941.53 and 52,819.68

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Solution

The fourth proportional to 111,999.90, 167,941.53 and 52,819.68 is: 79,202.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,999.90 : 167,941.53 = 52,819.68 : x
  2. Step 2: Convert to fraction form
    111,999.90/167,941.53 = 52,819.68/x
  3. Step 3: Cross multiply
    111,999.90x = 167,941.53 × 52,819.68
  4. Step 4: Simplify right side
    111,999.90x = 8,870,617,873.31
  5. Step 5: Solve for x
    x = 8,870,617,873.31/111,999.90
  6. Step 6: Final answer
    x = 79,202.02

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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.