Home / 109,949.11-164,923.26-39,812.02

Finding the Fourth Proportional to 109,949.11, 164,923.26 and 39,812.02

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Solution

The fourth proportional to 109,949.11, 164,923.26 and 39,812.02 is: 59,717.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,949.11 : 164,923.26 = 39,812.02 : x
  2. Step 2: Convert to fraction form
    109,949.11/164,923.26 = 39,812.02/x
  3. Step 3: Cross multiply
    109,949.11x = 164,923.26 × 39,812.02
  4. Step 4: Simplify right side
    109,949.11x = 6,565,928,125.59
  5. Step 5: Solve for x
    x = 6,565,928,125.59/109,949.11
  6. Step 6: Final answer
    x = 59,717.88

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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.