Home / 73,942.28-110,911.80-31,850.36

Finding the Fourth Proportional to 73,942.28, 110,911.80 and 31,850.36

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Solution

The fourth proportional to 73,942.28, 110,911.80 and 31,850.36 is: 47,774.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,942.28 : 110,911.80 = 31,850.36 : x
  2. Step 2: Convert to fraction form
    73,942.28/110,911.80 = 31,850.36/x
  3. Step 3: Cross multiply
    73,942.28x = 110,911.80 × 31,850.36
  4. Step 4: Simplify right side
    73,942.28x = 3,532,580,758.25
  5. Step 5: Solve for x
    x = 3,532,580,758.25/73,942.28
  6. Step 6: Final answer
    x = 47,774.84

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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.