Home / 89,796.60-123,920.28-49,510.44

Finding the Fourth Proportional to 89,796.60, 123,920.28 and 49,510.44

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Solution

The fourth proportional to 89,796.60, 123,920.28 and 49,510.44 is: 68,324.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,796.60 : 123,920.28 = 49,510.44 : x
  2. Step 2: Convert to fraction form
    89,796.60/123,920.28 = 49,510.44/x
  3. Step 3: Cross multiply
    89,796.60x = 123,920.28 × 49,510.44
  4. Step 4: Simplify right side
    89,796.60x = 6,135,347,587.72
  5. Step 5: Solve for x
    x = 6,135,347,587.72/89,796.60
  6. Step 6: Final answer
    x = 68,324.94

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1.5x scale

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.