Home / 79,432.11-119,165.31-26,840.43

Finding the Fourth Proportional to 79,432.11, 119,165.31 and 26,840.43

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Solution

The fourth proportional to 79,432.11, 119,165.31 and 26,840.43 is: 40,266.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,432.11 : 119,165.31 = 26,840.43 : x
  2. Step 2: Convert to fraction form
    79,432.11/119,165.31 = 26,840.43/x
  3. Step 3: Cross multiply
    79,432.11x = 119,165.31 × 26,840.43
  4. Step 4: Simplify right side
    79,432.11x = 3,198,448,161.48
  5. Step 5: Solve for x
    x = 3,198,448,161.48/79,432.11
  6. Step 6: Final answer
    x = 40,266.44

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.