Home / 110,291.76-165,387.96-31,388.04

Finding the Fourth Proportional to 110,291.76, 165,387.96 and 31,388.04

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Solution

The fourth proportional to 110,291.76, 165,387.96 and 31,388.04 is: 47,067.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,291.76 : 165,387.96 = 31,388.04 : x
  2. Step 2: Convert to fraction form
    110,291.76/165,387.96 = 31,388.04/x
  3. Step 3: Cross multiply
    110,291.76x = 165,387.96 × 31,388.04
  4. Step 4: Simplify right side
    110,291.76x = 5,191,203,904.00
  5. Step 5: Solve for x
    x = 5,191,203,904.00/110,291.76
  6. Step 6: Final answer
    x = 47,067.92

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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.