Home / 74,310.83-111,469.90-29,931.58

Finding the Fourth Proportional to 74,310.83, 111,469.90 and 29,931.58

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Solution

The fourth proportional to 74,310.83, 111,469.90 and 29,931.58 is: 44,898.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,310.83 : 111,469.90 = 29,931.58 : x
  2. Step 2: Convert to fraction form
    74,310.83/111,469.90 = 29,931.58/x
  3. Step 3: Cross multiply
    74,310.83x = 111,469.90 × 29,931.58
  4. Step 4: Simplify right side
    74,310.83x = 3,336,470,229.44
  5. Step 5: Solve for x
    x = 3,336,470,229.44/74,310.83
  6. Step 6: Final answer
    x = 44,898.84

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1.5x scale

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.