Home / 110,828.10-166,132.80-54,622.20

Finding the Fourth Proportional to 110,828.10, 166,132.80 and 54,622.20

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Solution

The fourth proportional to 110,828.10, 166,132.80 and 54,622.20 is: 81,879.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,828.10 : 166,132.80 = 54,622.20 : x
  2. Step 2: Convert to fraction form
    110,828.10/166,132.80 = 54,622.20/x
  3. Step 3: Cross multiply
    110,828.10x = 166,132.80 × 54,622.20
  4. Step 4: Simplify right side
    110,828.10x = 9,074,539,028.16
  5. Step 5: Solve for x
    x = 9,074,539,028.16/110,828.10
  6. Step 6: Final answer
    x = 81,879.41

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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.