Home / 89,027.10-133,367.85-82,806.30

Finding the Fourth Proportional to 89,027.10, 133,367.85 and 82,806.30

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Solution

The fourth proportional to 89,027.10, 133,367.85 and 82,806.30 is: 124,048.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,027.10 : 133,367.85 = 82,806.30 : x
  2. Step 2: Convert to fraction form
    89,027.10/133,367.85 = 82,806.30/x
  3. Step 3: Cross multiply
    89,027.10x = 133,367.85 × 82,806.30
  4. Step 4: Simplify right side
    89,027.10x = 11,043,698,197.46
  5. Step 5: Solve for x
    x = 11,043,698,197.46/89,027.10
  6. Step 6: Final answer
    x = 124,048.72

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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.