Home / 109,601.64-164,408.67-30,722.09

Finding the Fourth Proportional to 109,601.64, 164,408.67 and 30,722.09

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Solution

The fourth proportional to 109,601.64, 164,408.67 and 30,722.09 is: 46,084.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,601.64 : 164,408.67 = 30,722.09 : x
  2. Step 2: Convert to fraction form
    109,601.64/164,408.67 = 30,722.09/x
  3. Step 3: Cross multiply
    109,601.64x = 164,408.67 × 30,722.09
  4. Step 4: Simplify right side
    109,601.64x = 5,050,977,134.48
  5. Step 5: Solve for x
    x = 5,050,977,134.48/109,601.64
  6. Step 6: Final answer
    x = 46,084.87

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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.