Home / 110,955.10-166,323.30-54,749.20

Finding the Fourth Proportional to 110,955.10, 166,323.30 and 54,749.20

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Solution

The fourth proportional to 110,955.10, 166,323.30 and 54,749.20 is: 82,069.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,955.10 : 166,323.30 = 54,749.20 : x
  2. Step 2: Convert to fraction form
    110,955.10/166,323.30 = 54,749.20/x
  3. Step 3: Cross multiply
    110,955.10x = 166,323.30 × 54,749.20
  4. Step 4: Simplify right side
    110,955.10x = 9,106,067,616.36
  5. Step 5: Solve for x
    x = 9,106,067,616.36/110,955.10
  6. Step 6: Final answer
    x = 82,069.84

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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.