Home / 79,000.72-109,016.58-43,183.60

Finding the Fourth Proportional to 79,000.72, 109,016.58 and 43,183.60

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Solution

The fourth proportional to 79,000.72, 109,016.58 and 43,183.60 is: 59,590.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,000.72 : 109,016.58 = 43,183.60 : x
  2. Step 2: Convert to fraction form
    79,000.72/109,016.58 = 43,183.60/x
  3. Step 3: Cross multiply
    79,000.72x = 109,016.58 × 43,183.60
  4. Step 4: Simplify right side
    79,000.72x = 4,707,728,384.09
  5. Step 5: Solve for x
    x = 4,707,728,384.09/79,000.72
  6. Step 6: Final answer
    x = 59,590.96

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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.