Home / 79,727.25-110,023.61-43,917.15

Finding the Fourth Proportional to 79,727.25, 110,023.61 and 43,917.15

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Solution

The fourth proportional to 79,727.25, 110,023.61 and 43,917.15 is: 60,605.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,727.25 : 110,023.61 = 43,917.15 : x
  2. Step 2: Convert to fraction form
    79,727.25/110,023.61 = 43,917.15/x
  3. Step 3: Cross multiply
    79,727.25x = 110,023.61 × 43,917.15
  4. Step 4: Simplify right side
    79,727.25x = 4,831,923,383.91
  5. Step 5: Solve for x
    x = 4,831,923,383.91/79,727.25
  6. Step 6: Final answer
    x = 60,605.67

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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.