Home / 79,002.11-109,025.52-43,193.09

Finding the Fourth Proportional to 79,002.11, 109,025.52 and 43,193.09

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Solution

The fourth proportional to 79,002.11, 109,025.52 and 43,193.09 is: 59,607.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,002.11 : 109,025.52 = 43,193.09 : x
  2. Step 2: Convert to fraction form
    79,002.11/109,025.52 = 43,193.09/x
  3. Step 3: Cross multiply
    79,002.11x = 109,025.52 × 43,193.09
  4. Step 4: Simplify right side
    79,002.11x = 4,709,149,097.66
  5. Step 5: Solve for x
    x = 4,709,149,097.66/79,002.11
  6. Step 6: Final answer
    x = 59,607.89

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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.