Home / 89,974.54-135,044.84-45,632.44

Finding the Fourth Proportional to 89,974.54, 135,044.84 and 45,632.44

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Solution

The fourth proportional to 89,974.54, 135,044.84 and 45,632.44 is: 68,490.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,974.54 : 135,044.84 = 45,632.44 : x
  2. Step 2: Convert to fraction form
    89,974.54/135,044.84 = 45,632.44/x
  3. Step 3: Cross multiply
    89,974.54x = 135,044.84 × 45,632.44
  4. Step 4: Simplify right side
    89,974.54x = 6,162,424,883.39
  5. Step 5: Solve for x
    x = 6,162,424,883.39/89,974.54
  6. Step 6: Final answer
    x = 68,490.77

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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.