Home / 109,704.88-164,558.85-38,629.81

Finding the Fourth Proportional to 109,704.88, 164,558.85 and 38,629.81

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Solution

The fourth proportional to 109,704.88, 164,558.85 and 38,629.81 is: 57,945.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,704.88 : 164,558.85 = 38,629.81 : x
  2. Step 2: Convert to fraction form
    109,704.88/164,558.85 = 38,629.81/x
  3. Step 3: Cross multiply
    109,704.88x = 164,558.85 × 38,629.81
  4. Step 4: Simplify right side
    109,704.88x = 6,356,877,109.32
  5. Step 5: Solve for x
    x = 6,356,877,109.32/109,704.88
  6. Step 6: Final answer
    x = 57,945.25

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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.