Home / 104,408.28-156,535.74-67,010.40

Finding the Fourth Proportional to 104,408.28, 156,535.74 and 67,010.40

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Solution

The fourth proportional to 104,408.28, 156,535.74 and 67,010.40 is: 100,466.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,408.28 : 156,535.74 = 67,010.40 : x
  2. Step 2: Convert to fraction form
    104,408.28/156,535.74 = 67,010.40/x
  3. Step 3: Cross multiply
    104,408.28x = 156,535.74 × 67,010.40
  4. Step 4: Simplify right side
    104,408.28x = 10,489,522,551.70
  5. Step 5: Solve for x
    x = 10,489,522,551.70/104,408.28
  6. Step 6: Final answer
    x = 100,466.39

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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.