Home / 74,060.20-111,090.30-47,794.60

Finding the Fourth Proportional to 74,060.20, 111,090.30 and 47,794.60

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Solution

The fourth proportional to 74,060.20, 111,090.30 and 47,794.60 is: 71,691.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,060.20 : 111,090.30 = 47,794.60 : x
  2. Step 2: Convert to fraction form
    74,060.20/111,090.30 = 47,794.60/x
  3. Step 3: Cross multiply
    74,060.20x = 111,090.30 × 47,794.60
  4. Step 4: Simplify right side
    74,060.20x = 5,309,516,452.38
  5. Step 5: Solve for x
    x = 5,309,516,452.38/74,060.20
  6. Step 6: Final answer
    x = 71,691.90

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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.