Home / 109,771.89-164,689.46-53,644.35

Finding the Fourth Proportional to 109,771.89, 164,689.46 and 53,644.35

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Solution

The fourth proportional to 109,771.89, 164,689.46 and 53,644.35 is: 80,481.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,771.89 : 164,689.46 = 53,644.35 : x
  2. Step 2: Convert to fraction form
    109,771.89/164,689.46 = 53,644.35/x
  3. Step 3: Cross multiply
    109,771.89x = 164,689.46 × 53,644.35
  4. Step 4: Simplify right side
    109,771.89x = 8,834,658,765.33
  5. Step 5: Solve for x
    x = 8,834,658,765.33/109,771.89
  6. Step 6: Final answer
    x = 80,481.98

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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.