Home / 73,173.24-109,767.20-19,866.03

Finding the Fourth Proportional to 73,173.24, 109,767.20 and 19,866.03

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Solution

The fourth proportional to 73,173.24, 109,767.20 and 19,866.03 is: 29,801.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,173.24 : 109,767.20 = 19,866.03 : x
  2. Step 2: Convert to fraction form
    73,173.24/109,767.20 = 19,866.03/x
  3. Step 3: Cross multiply
    73,173.24x = 109,767.20 × 19,866.03
  4. Step 4: Simplify right side
    73,173.24x = 2,180,638,388.89
  5. Step 5: Solve for x
    x = 2,180,638,388.89/73,173.24
  6. Step 6: Final answer
    x = 29,801.04

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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.