Home / 79,320.60-109,469.34-43,517.52

Finding the Fourth Proportional to 79,320.60, 109,469.34 and 43,517.52

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Solution

The fourth proportional to 79,320.60, 109,469.34 and 43,517.52 is: 60,057.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,320.60 : 109,469.34 = 43,517.52 : x
  2. Step 2: Convert to fraction form
    79,320.60/109,469.34 = 43,517.52/x
  3. Step 3: Cross multiply
    79,320.60x = 109,469.34 × 43,517.52
  4. Step 4: Simplify right side
    79,320.60x = 4,763,834,192.84
  5. Step 5: Solve for x
    x = 4,763,834,192.84/79,320.60
  6. Step 6: Final answer
    x = 60,057.97

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1.5x scale

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.