Home / 73,223.20-109,834.80-28,825.75

Finding the Fourth Proportional to 73,223.20, 109,834.80 and 28,825.75

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Solution

The fourth proportional to 73,223.20, 109,834.80 and 28,825.75 is: 43,238.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,223.20 : 109,834.80 = 28,825.75 : x
  2. Step 2: Convert to fraction form
    73,223.20/109,834.80 = 28,825.75/x
  3. Step 3: Cross multiply
    73,223.20x = 109,834.80 × 28,825.75
  4. Step 4: Simplify right side
    73,223.20x = 3,166,070,486.10
  5. Step 5: Solve for x
    x = 3,166,070,486.10/73,223.20
  6. Step 6: Final answer
    x = 43,238.63

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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.