Home / 73,109.20-109,682.93-25,722.37

Finding the Fourth Proportional to 73,109.20, 109,682.93 and 25,722.37

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Solution

The fourth proportional to 73,109.20, 109,682.93 and 25,722.37 is: 38,590.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,109.20 : 109,682.93 = 25,722.37 : x
  2. Step 2: Convert to fraction form
    73,109.20/109,682.93 = 25,722.37/x
  3. Step 3: Cross multiply
    73,109.20x = 109,682.93 × 25,722.37
  4. Step 4: Simplify right side
    73,109.20x = 2,821,304,779.53
  5. Step 5: Solve for x
    x = 2,821,304,779.53/73,109.20
  6. Step 6: Final answer
    x = 38,590.29

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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.