Home / 109,987.44-164,907.12-50,790.48

Finding the Fourth Proportional to 109,987.44, 164,907.12 and 50,790.48

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Solution

The fourth proportional to 109,987.44, 164,907.12 and 50,790.48 is: 76,151.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,987.44 : 164,907.12 = 50,790.48 : x
  2. Step 2: Convert to fraction form
    109,987.44/164,907.12 = 50,790.48/x
  3. Step 3: Cross multiply
    109,987.44x = 164,907.12 × 50,790.48
  4. Step 4: Simplify right side
    109,987.44x = 8,375,711,780.22
  5. Step 5: Solve for x
    x = 8,375,711,780.22/109,987.44
  6. Step 6: Final answer
    x = 76,151.53

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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.