Home / 79,000.11-109,022.76-43,191.09

Finding the Fourth Proportional to 79,000.11, 109,022.76 and 43,191.09

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Solution

The fourth proportional to 79,000.11, 109,022.76 and 43,191.09 is: 59,605.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,000.11 : 109,022.76 = 43,191.09 : x
  2. Step 2: Convert to fraction form
    79,000.11/109,022.76 = 43,191.09/x
  3. Step 3: Cross multiply
    79,000.11x = 109,022.76 × 43,191.09
  4. Step 4: Simplify right side
    79,000.11x = 4,708,811,839.21
  5. Step 5: Solve for x
    x = 4,708,811,839.21/79,000.11
  6. Step 6: Final answer
    x = 59,605.13

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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.