Home / 73,942.10-110,999.55-73,423.70

Finding the Fourth Proportional to 73,942.10, 110,999.55 and 73,423.70

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Solution

The fourth proportional to 73,942.10, 110,999.55 and 73,423.70 is: 110,221.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,942.10 : 110,999.55 = 73,423.70 : x
  2. Step 2: Convert to fraction form
    73,942.10/110,999.55 = 73,423.70/x
  3. Step 3: Cross multiply
    73,942.10x = 110,999.55 × 73,423.70
  4. Step 4: Simplify right side
    73,942.10x = 8,149,997,659.34
  5. Step 5: Solve for x
    x = 8,149,997,659.34/73,942.10
  6. Step 6: Final answer
    x = 110,221.34

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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.