Home / 79,199.19-109,294.97-43,391.49

Finding the Fourth Proportional to 79,199.19, 109,294.97 and 43,391.49

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Solution

The fourth proportional to 79,199.19, 109,294.97 and 43,391.49 is: 59,880.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,199.19 : 109,294.97 = 43,391.49 : x
  2. Step 2: Convert to fraction form
    79,199.19/109,294.97 = 43,391.49/x
  3. Step 3: Cross multiply
    79,199.19x = 109,294.97 × 43,391.49
  4. Step 4: Simplify right side
    79,199.19x = 4,742,471,380.85
  5. Step 5: Solve for x
    x = 4,742,471,380.85/79,199.19
  6. Step 6: Final answer
    x = 59,880.30

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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.