Home / 110,067.76-164,983.40-72,102.48

Finding the Fourth Proportional to 110,067.76, 164,983.40 and 72,102.48

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Solution

The fourth proportional to 110,067.76, 164,983.40 and 72,102.48 is: 108,076.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,067.76 : 164,983.40 = 72,102.48 : x
  2. Step 2: Convert to fraction form
    110,067.76/164,983.40 = 72,102.48/x
  3. Step 3: Cross multiply
    110,067.76x = 164,983.40 × 72,102.48
  4. Step 4: Simplify right side
    110,067.76x = 11,895,712,298.83
  5. Step 5: Solve for x
    x = 11,895,712,298.83/110,067.76
  6. Step 6: Final answer
    x = 108,076.26

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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.