Home / 74,035.76-111,027.66-20,713.41

Finding the Fourth Proportional to 74,035.76, 111,027.66 and 20,713.41

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Solution

The fourth proportional to 74,035.76, 111,027.66 and 20,713.41 is: 31,062.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,035.76 : 111,027.66 = 20,713.41 : x
  2. Step 2: Convert to fraction form
    74,035.76/111,027.66 = 20,713.41/x
  3. Step 3: Cross multiply
    74,035.76x = 111,027.66 × 20,713.41
  4. Step 4: Simplify right side
    74,035.76x = 2,299,761,365.25
  5. Step 5: Solve for x
    x = 2,299,761,365.25/74,035.76
  6. Step 6: Final answer
    x = 31,062.85

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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.