Home / 109,691.21-164,564.53-50,568.40

Finding the Fourth Proportional to 109,691.21, 164,564.53 and 50,568.40

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Solution

The fourth proportional to 109,691.21, 164,564.53 and 50,568.40 is: 75,865.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,691.21 : 164,564.53 = 50,568.40 : x
  2. Step 2: Convert to fraction form
    109,691.21/164,564.53 = 50,568.40/x
  3. Step 3: Cross multiply
    109,691.21x = 164,564.53 × 50,568.40
  4. Step 4: Simplify right side
    109,691.21x = 8,321,765,058.14
  5. Step 5: Solve for x
    x = 8,321,765,058.14/109,691.21
  6. Step 6: Final answer
    x = 75,865.38

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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.