Home / 73,982.31-111,001.41-44,420.76

Finding the Fourth Proportional to 73,982.31, 111,001.41 and 44,420.76

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Solution

The fourth proportional to 73,982.31, 111,001.41 and 44,420.76 is: 66,647.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,982.31 : 111,001.41 = 44,420.76 : x
  2. Step 2: Convert to fraction form
    73,982.31/111,001.41 = 44,420.76/x
  3. Step 3: Cross multiply
    73,982.31x = 111,001.41 × 44,420.76
  4. Step 4: Simplify right side
    73,982.31x = 4,930,766,993.27
  5. Step 5: Solve for x
    x = 4,930,766,993.27/73,982.31
  6. Step 6: Final answer
    x = 66,647.92

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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.