Home / 110,720.10-166,104.45-54,587.10

Finding the Fourth Proportional to 110,720.10, 166,104.45 and 54,587.10

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Solution

The fourth proportional to 110,720.10, 166,104.45 and 54,587.10 is: 81,892.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,720.10 : 166,104.45 = 54,587.10 : x
  2. Step 2: Convert to fraction form
    110,720.10/166,104.45 = 54,587.10/x
  3. Step 3: Cross multiply
    110,720.10x = 166,104.45 × 54,587.10
  4. Step 4: Simplify right side
    110,720.10x = 9,067,160,222.60
  5. Step 5: Solve for x
    x = 9,067,160,222.60/110,720.10
  6. Step 6: Final answer
    x = 81,892.63

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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.