Home / 110,493.10-165,630.30-54,287.20

Finding the Fourth Proportional to 110,493.10, 165,630.30 and 54,287.20

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Solution

The fourth proportional to 110,493.10, 165,630.30 and 54,287.20 is: 81,377.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,493.10 : 165,630.30 = 54,287.20 : x
  2. Step 2: Convert to fraction form
    110,493.10/165,630.30 = 54,287.20/x
  3. Step 3: Cross multiply
    110,493.10x = 165,630.30 × 54,287.20
  4. Step 4: Simplify right side
    110,493.10x = 8,991,605,222.16
  5. Step 5: Solve for x
    x = 8,991,605,222.16/110,493.10
  6. Step 6: Final answer
    x = 81,377.07

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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.