Home / 109,820.90-164,751.97-49,853.58

Finding the Fourth Proportional to 109,820.90, 164,751.97 and 49,853.58

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Solution

The fourth proportional to 109,820.90, 164,751.97 and 49,853.58 is: 74,789.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,820.90 : 164,751.97 = 49,853.58 : x
  2. Step 2: Convert to fraction form
    109,820.90/164,751.97 = 49,853.58/x
  3. Step 3: Cross multiply
    109,820.90x = 164,751.97 × 49,853.58
  4. Step 4: Simplify right side
    109,820.90x = 8,213,475,516.55
  5. Step 5: Solve for x
    x = 8,213,475,516.55/109,820.90
  6. Step 6: Final answer
    x = 74,789.73

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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.