Home / 79,132.59-109,205.43-43,325.92

Finding the Fourth Proportional to 79,132.59, 109,205.43 and 43,325.92

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Solution

The fourth proportional to 79,132.59, 109,205.43 and 43,325.92 is: 59,791.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,132.59 : 109,205.43 = 43,325.92 : x
  2. Step 2: Convert to fraction form
    79,132.59/109,205.43 = 43,325.92/x
  3. Step 3: Cross multiply
    79,132.59x = 109,205.43 × 43,325.92
  4. Step 4: Simplify right side
    79,132.59x = 4,731,425,723.75
  5. Step 5: Solve for x
    x = 4,731,425,723.75/79,132.59
  6. Step 6: Final answer
    x = 59,791.11

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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.