Home / 109,686.35-164,508.71-53,469.92

Finding the Fourth Proportional to 109,686.35, 164,508.71 and 53,469.92

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Solution

The fourth proportional to 109,686.35, 164,508.71 and 53,469.92 is: 80,194.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,686.35 : 164,508.71 = 53,469.92 : x
  2. Step 2: Convert to fraction form
    109,686.35/164,508.71 = 53,469.92/x
  3. Step 3: Cross multiply
    109,686.35x = 164,508.71 × 53,469.92
  4. Step 4: Simplify right side
    109,686.35x = 8,796,267,563.00
  5. Step 5: Solve for x
    x = 8,796,267,563.00/109,686.35
  6. Step 6: Final answer
    x = 80,194.73

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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.