Home / 75,324.78-113,033.30-30,337.88

Finding the Fourth Proportional to 75,324.78, 113,033.30 and 30,337.88

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Solution

The fourth proportional to 75,324.78, 113,033.30 and 30,337.88 is: 45,525.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,324.78 : 113,033.30 = 30,337.88 : x
  2. Step 2: Convert to fraction form
    75,324.78/113,033.30 = 30,337.88/x
  3. Step 3: Cross multiply
    75,324.78x = 113,033.30 × 30,337.88
  4. Step 4: Simplify right side
    75,324.78x = 3,429,191,013.59
  5. Step 5: Solve for x
    x = 3,429,191,013.59/75,324.78
  6. Step 6: Final answer
    x = 45,525.41

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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.