Home / 111,000.12-166,422.94-47,801.29

Finding the Fourth Proportional to 111,000.12, 166,422.94 and 47,801.29

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Solution

The fourth proportional to 111,000.12, 166,422.94 and 47,801.29 is: 71,668.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,000.12 : 166,422.94 = 47,801.29 : x
  2. Step 2: Convert to fraction form
    111,000.12/166,422.94 = 47,801.29/x
  3. Step 3: Cross multiply
    111,000.12x = 166,422.94 × 47,801.29
  4. Step 4: Simplify right side
    111,000.12x = 7,955,231,217.59
  5. Step 5: Solve for x
    x = 7,955,231,217.59/111,000.12
  6. Step 6: Final answer
    x = 71,668.67

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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.