Home / 79,160.41-109,236.36-43,350.85

Finding the Fourth Proportional to 79,160.41, 109,236.36 and 43,350.85

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Solution

The fourth proportional to 79,160.41, 109,236.36 and 43,350.85 is: 59,821.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,160.41 : 109,236.36 = 43,350.85 : x
  2. Step 2: Convert to fraction form
    79,160.41/109,236.36 = 43,350.85/x
  3. Step 3: Cross multiply
    79,160.41x = 109,236.36 × 43,350.85
  4. Step 4: Simplify right side
    79,160.41x = 4,735,489,056.91
  5. Step 5: Solve for x
    x = 4,735,489,056.91/79,160.41
  6. Step 6: Final answer
    x = 59,821.43

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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.