Home / 107,890.20-161,835.03-29,004.42

Finding the Fourth Proportional to 107,890.20, 161,835.03 and 29,004.42

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Solution

The fourth proportional to 107,890.20, 161,835.03 and 29,004.42 is: 43,506.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,890.20 : 161,835.03 = 29,004.42 : x
  2. Step 2: Convert to fraction form
    107,890.20/161,835.03 = 29,004.42/x
  3. Step 3: Cross multiply
    107,890.20x = 161,835.03 × 29,004.42
  4. Step 4: Simplify right side
    107,890.20x = 4,693,931,180.83
  5. Step 5: Solve for x
    x = 4,693,931,180.83/107,890.20
  6. Step 6: Final answer
    x = 43,506.56

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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.