Home / 107,814.30-161,721.48-32,930.40

Finding the Fourth Proportional to 107,814.30, 161,721.48 and 32,930.40

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Solution

The fourth proportional to 107,814.30, 161,721.48 and 32,930.40 is: 49,395.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,814.30 : 161,721.48 = 32,930.40 : x
  2. Step 2: Convert to fraction form
    107,814.30/161,721.48 = 32,930.40/x
  3. Step 3: Cross multiply
    107,814.30x = 161,721.48 × 32,930.40
  4. Step 4: Simplify right side
    107,814.30x = 5,325,553,024.99
  5. Step 5: Solve for x
    x = 5,325,553,024.99/107,814.30
  6. Step 6: Final answer
    x = 49,395.61

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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.