Home / 45,369.11-68,044.77-43,118.73

Finding the Fourth Proportional to 45,369.11, 68,044.77 and 43,118.73

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Solution

The fourth proportional to 45,369.11, 68,044.77 and 43,118.73 is: 64,669.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,369.11 : 68,044.77 = 43,118.73 : x
  2. Step 2: Convert to fraction form
    45,369.11/68,044.77 = 43,118.73/x
  3. Step 3: Cross multiply
    45,369.11x = 68,044.77 × 43,118.73
  4. Step 4: Simplify right side
    45,369.11x = 2,934,004,065.54
  5. Step 5: Solve for x
    x = 2,934,004,065.54/45,369.11
  6. Step 6: Final answer
    x = 64,669.64

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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.