Home / 92,960.62-128,249.43-68,819.37

Finding the Fourth Proportional to 92,960.62, 128,249.43 and 68,819.37

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Solution

The fourth proportional to 92,960.62, 128,249.43 and 68,819.37 is: 94,943.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,960.62 : 128,249.43 = 68,819.37 : x
  2. Step 2: Convert to fraction form
    92,960.62/128,249.43 = 68,819.37/x
  3. Step 3: Cross multiply
    92,960.62x = 128,249.43 × 68,819.37
  4. Step 4: Simplify right side
    92,960.62x = 8,826,044,334.21
  5. Step 5: Solve for x
    x = 8,826,044,334.21/92,960.62
  6. Step 6: Final answer
    x = 94,943.91

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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.