Home / 75,667.52-113,389.28-67,363.04

Finding the Fourth Proportional to 75,667.52, 113,389.28 and 67,363.04

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Solution

The fourth proportional to 75,667.52, 113,389.28 and 67,363.04 is: 100,944.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,667.52 : 113,389.28 = 67,363.04 : x
  2. Step 2: Convert to fraction form
    75,667.52/113,389.28 = 67,363.04/x
  3. Step 3: Cross multiply
    75,667.52x = 113,389.28 × 67,363.04
  4. Step 4: Simplify right side
    75,667.52x = 7,638,246,604.21
  5. Step 5: Solve for x
    x = 7,638,246,604.21/75,667.52
  6. Step 6: Final answer
    x = 100,944.85

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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.