Home / 109,429.65-164,016.90-50,271.30

Finding the Fourth Proportional to 109,429.65, 164,016.90 and 50,271.30

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Solution

The fourth proportional to 109,429.65, 164,016.90 and 50,271.30 is: 75,348.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,429.65 : 164,016.90 = 50,271.30 : x
  2. Step 2: Convert to fraction form
    109,429.65/164,016.90 = 50,271.30/x
  3. Step 3: Cross multiply
    109,429.65x = 164,016.90 × 50,271.30
  4. Step 4: Simplify right side
    109,429.65x = 8,245,342,784.97
  5. Step 5: Solve for x
    x = 8,245,342,784.97/109,429.65
  6. Step 6: Final answer
    x = 75,348.34

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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.