Home / 110,342.20-165,581.70-57,789.40

Finding the Fourth Proportional to 110,342.20, 165,581.70 and 57,789.40

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Solution

The fourth proportional to 110,342.20, 165,581.70 and 57,789.40 is: 86,719.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,342.20 : 165,581.70 = 57,789.40 : x
  2. Step 2: Convert to fraction form
    110,342.20/165,581.70 = 57,789.40/x
  3. Step 3: Cross multiply
    110,342.20x = 165,581.70 × 57,789.40
  4. Step 4: Simplify right side
    110,342.20x = 9,568,867,093.98
  5. Step 5: Solve for x
    x = 9,568,867,093.98/110,342.20
  6. Step 6: Final answer
    x = 86,719.92

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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.