Home / 75,624.20-113,398.03-42,335.33

Finding the Fourth Proportional to 75,624.20, 113,398.03 and 42,335.33

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Solution

The fourth proportional to 75,624.20, 113,398.03 and 42,335.33 is: 63,481.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,624.20 : 113,398.03 = 42,335.33 : x
  2. Step 2: Convert to fraction form
    75,624.20/113,398.03 = 42,335.33/x
  3. Step 3: Cross multiply
    75,624.20x = 113,398.03 × 42,335.33
  4. Step 4: Simplify right side
    75,624.20x = 4,800,742,242.73
  5. Step 5: Solve for x
    x = 4,800,742,242.73/75,624.20
  6. Step 6: Final answer
    x = 63,481.56

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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.