Home / 111,749.20-167,633.93-36,869.56

Finding the Fourth Proportional to 111,749.20, 167,633.93 and 36,869.56

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Solution

The fourth proportional to 111,749.20, 167,633.93 and 36,869.56 is: 55,307.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,749.20 : 167,633.93 = 36,869.56 : x
  2. Step 2: Convert to fraction form
    111,749.20/167,633.93 = 36,869.56/x
  3. Step 3: Cross multiply
    111,749.20x = 167,633.93 × 36,869.56
  4. Step 4: Simplify right side
    111,749.20x = 6,180,588,217.65
  5. Step 5: Solve for x
    x = 6,180,588,217.65/111,749.20
  6. Step 6: Final answer
    x = 55,307.68

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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.