Home / 53,859.33-80,789.40-18,799.02

Finding the Fourth Proportional to 53,859.33, 80,789.40 and 18,799.02

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Solution

The fourth proportional to 53,859.33, 80,789.40 and 18,799.02 is: 28,198.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,859.33 : 80,789.40 = 18,799.02 : x
  2. Step 2: Convert to fraction form
    53,859.33/80,789.40 = 18,799.02/x
  3. Step 3: Cross multiply
    53,859.33x = 80,789.40 × 18,799.02
  4. Step 4: Simplify right side
    53,859.33x = 1,518,761,546.39
  5. Step 5: Solve for x
    x = 1,518,761,546.39/53,859.33
  6. Step 6: Final answer
    x = 28,198.67

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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.