Home / 74,395.28-111,461.60-39,257.44

Finding the Fourth Proportional to 74,395.28, 111,461.60 and 39,257.44

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Solution

The fourth proportional to 74,395.28, 111,461.60 and 39,257.44 is: 58,816.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,395.28 : 111,461.60 = 39,257.44 : x
  2. Step 2: Convert to fraction form
    74,395.28/111,461.60 = 39,257.44/x
  3. Step 3: Cross multiply
    74,395.28x = 111,461.60 × 39,257.44
  4. Step 4: Simplify right side
    74,395.28x = 4,375,697,074.30
  5. Step 5: Solve for x
    x = 4,375,697,074.30/74,395.28
  6. Step 6: Final answer
    x = 58,816.86

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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.