Home / 109,727.16-164,638.24-38,700.52

Finding the Fourth Proportional to 109,727.16, 164,638.24 and 38,700.52

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Solution

The fourth proportional to 109,727.16, 164,638.24 and 38,700.52 is: 58,067.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,727.16 : 164,638.24 = 38,700.52 : x
  2. Step 2: Convert to fraction form
    109,727.16/164,638.24 = 38,700.52/x
  3. Step 3: Cross multiply
    109,727.16x = 164,638.24 × 38,700.52
  4. Step 4: Simplify right side
    109,727.16x = 6,371,584,991.54
  5. Step 5: Solve for x
    x = 6,371,584,991.54/109,727.16
  6. Step 6: Final answer
    x = 58,067.53

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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.