Home / 109,408.20-150,983.28-59,107.20

Finding the Fourth Proportional to 109,408.20, 150,983.28 and 59,107.20

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Solution

The fourth proportional to 109,408.20, 150,983.28 and 59,107.20 is: 81,567.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,408.20 : 150,983.28 = 59,107.20 : x
  2. Step 2: Convert to fraction form
    109,408.20/150,983.28 = 59,107.20/x
  3. Step 3: Cross multiply
    109,408.20x = 150,983.28 × 59,107.20
  4. Step 4: Simplify right side
    109,408.20x = 8,924,198,927.62
  5. Step 5: Solve for x
    x = 8,924,198,927.62/109,408.20
  6. Step 6: Final answer
    x = 81,567.92

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.