Home / 49,311.60-73,967.40-48,793.20

Finding the Fourth Proportional to 49,311.60, 73,967.40 and 48,793.20

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Solution

The fourth proportional to 49,311.60, 73,967.40 and 48,793.20 is: 73,189.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,311.60 : 73,967.40 = 48,793.20 : x
  2. Step 2: Convert to fraction form
    49,311.60/73,967.40 = 48,793.20/x
  3. Step 3: Cross multiply
    49,311.60x = 73,967.40 × 48,793.20
  4. Step 4: Simplify right side
    49,311.60x = 3,609,106,141.68
  5. Step 5: Solve for x
    x = 3,609,106,141.68/49,311.60
  6. Step 6: Final answer
    x = 73,189.80

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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.