Home / 109,245.72-163,966.26-55,974.04

Finding the Fourth Proportional to 109,245.72, 163,966.26 and 55,974.04

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Solution

The fourth proportional to 109,245.72, 163,966.26 and 55,974.04 is: 84,011.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,245.72 : 163,966.26 = 55,974.04 : x
  2. Step 2: Convert to fraction form
    109,245.72/163,966.26 = 55,974.04/x
  3. Step 3: Cross multiply
    109,245.72x = 163,966.26 × 55,974.04
  4. Step 4: Simplify right side
    109,245.72x = 9,177,853,995.89
  5. Step 5: Solve for x
    x = 9,177,853,995.89/109,245.72
  6. Step 6: Final answer
    x = 84,011.11

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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.