Home / 74,257.20-111,358.38-32,143.41

Finding the Fourth Proportional to 74,257.20, 111,358.38 and 32,143.41

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Solution

The fourth proportional to 74,257.20, 111,358.38 and 32,143.41 is: 48,203.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,257.20 : 111,358.38 = 32,143.41 : x
  2. Step 2: Convert to fraction form
    74,257.20/111,358.38 = 32,143.41/x
  3. Step 3: Cross multiply
    74,257.20x = 111,358.38 × 32,143.41
  4. Step 4: Simplify right side
    74,257.20x = 3,579,438,065.28
  5. Step 5: Solve for x
    x = 3,579,438,065.28/74,257.20
  6. Step 6: Final answer
    x = 48,203.25

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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.