Home / 79,626.57-109,884.45-43,818.90

Finding the Fourth Proportional to 79,626.57, 109,884.45 and 43,818.90

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Solution

The fourth proportional to 79,626.57, 109,884.45 and 43,818.90 is: 60,469.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,626.57 : 109,884.45 = 43,818.90 : x
  2. Step 2: Convert to fraction form
    79,626.57/109,884.45 = 43,818.90/x
  3. Step 3: Cross multiply
    79,626.57x = 109,884.45 × 43,818.90
  4. Step 4: Simplify right side
    79,626.57x = 4,815,015,726.11
  5. Step 5: Solve for x
    x = 4,815,015,726.11/79,626.57
  6. Step 6: Final answer
    x = 60,469.96

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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.