Home / 111,289.68-166,725.36-55,064.52

Finding the Fourth Proportional to 111,289.68, 166,725.36 and 55,064.52

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Solution

The fourth proportional to 111,289.68, 166,725.36 and 55,064.52 is: 82,493.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,289.68 : 166,725.36 = 55,064.52 : x
  2. Step 2: Convert to fraction form
    111,289.68/166,725.36 = 55,064.52/x
  3. Step 3: Cross multiply
    111,289.68x = 166,725.36 × 55,064.52
  4. Step 4: Simplify right side
    111,289.68x = 9,180,651,920.23
  5. Step 5: Solve for x
    x = 9,180,651,920.23/111,289.68
  6. Step 6: Final answer
    x = 82,493.29

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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.