Home / 109,408.53-164,140.48-30,522.70

Finding the Fourth Proportional to 109,408.53, 164,140.48 and 30,522.70

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Solution

The fourth proportional to 109,408.53, 164,140.48 and 30,522.70 is: 45,791.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,408.53 : 164,140.48 = 30,522.70 : x
  2. Step 2: Convert to fraction form
    109,408.53/164,140.48 = 30,522.70/x
  3. Step 3: Cross multiply
    109,408.53x = 164,140.48 × 30,522.70
  4. Step 4: Simplify right side
    109,408.53x = 5,010,010,872.22
  5. Step 5: Solve for x
    x = 5,010,010,872.22/109,408.53
  6. Step 6: Final answer
    x = 45,791.77

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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.