Home / 79,982.28-110,365.74-50,900.61

Finding the Fourth Proportional to 79,982.28, 110,365.74 and 50,900.61

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Solution

The fourth proportional to 79,982.28, 110,365.74 and 50,900.61 is: 70,236.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,982.28 : 110,365.74 = 50,900.61 : x
  2. Step 2: Convert to fraction form
    79,982.28/110,365.74 = 50,900.61/x
  3. Step 3: Cross multiply
    79,982.28x = 110,365.74 × 50,900.61
  4. Step 4: Simplify right side
    79,982.28x = 5,617,683,489.10
  5. Step 5: Solve for x
    x = 5,617,683,489.10/79,982.28
  6. Step 6: Final answer
    x = 70,236.60

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.