Home / 74,310.57-111,469.50-29,931.33

Finding the Fourth Proportional to 74,310.57, 111,469.50 and 29,931.33

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Solution

The fourth proportional to 74,310.57, 111,469.50 and 29,931.33 is: 44,898.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,310.57 : 111,469.50 = 29,931.33 : x
  2. Step 2: Convert to fraction form
    74,310.57/111,469.50 = 29,931.33/x
  3. Step 3: Cross multiply
    74,310.57x = 111,469.50 × 29,931.33
  4. Step 4: Simplify right side
    74,310.57x = 3,336,430,389.44
  5. Step 5: Solve for x
    x = 3,336,430,389.44/74,310.57
  6. Step 6: Final answer
    x = 44,898.46

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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.