Home / 75,789.76-113,680.60-23,199.28

Finding the Fourth Proportional to 75,789.76, 113,680.60 and 23,199.28

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Solution

The fourth proportional to 75,789.76, 113,680.60 and 23,199.28 is: 34,797.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,789.76 : 113,680.60 = 23,199.28 : x
  2. Step 2: Convert to fraction form
    75,789.76/113,680.60 = 23,199.28/x
  3. Step 3: Cross multiply
    75,789.76x = 113,680.60 × 23,199.28
  4. Step 4: Simplify right side
    75,789.76x = 2,637,308,069.97
  5. Step 5: Solve for x
    x = 2,637,308,069.97/75,789.76
  6. Step 6: Final answer
    x = 34,797.68

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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.