Home / 73,144.60-109,707.18-28,759.44

Finding the Fourth Proportional to 73,144.60, 109,707.18 and 28,759.44

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Solution

The fourth proportional to 73,144.60, 109,707.18 and 28,759.44 is: 43,135.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,144.60 : 109,707.18 = 28,759.44 : x
  2. Step 2: Convert to fraction form
    73,144.60/109,707.18 = 28,759.44/x
  3. Step 3: Cross multiply
    73,144.60x = 109,707.18 × 28,759.44
  4. Step 4: Simplify right side
    73,144.60x = 3,155,117,060.78
  5. Step 5: Solve for x
    x = 3,155,117,060.78/73,144.60
  6. Step 6: Final answer
    x = 43,135.34

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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.