Home / 109,704.12-164,431.74-50,417.25

Finding the Fourth Proportional to 109,704.12, 164,431.74 and 50,417.25

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Solution

The fourth proportional to 109,704.12, 164,431.74 and 50,417.25 is: 75,568.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,704.12 : 164,431.74 = 50,417.25 : x
  2. Step 2: Convert to fraction form
    109,704.12/164,431.74 = 50,417.25/x
  3. Step 3: Cross multiply
    109,704.12x = 164,431.74 × 50,417.25
  4. Step 4: Simplify right side
    109,704.12x = 8,290,196,143.52
  5. Step 5: Solve for x
    x = 8,290,196,143.52/109,704.12
  6. Step 6: Final answer
    x = 75,568.69

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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.