Home / 29,178.04-43,759.48-8,118.04

Finding the Fourth Proportional to 29,178.04, 43,759.48 and 8,118.04

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Solution

The fourth proportional to 29,178.04, 43,759.48 and 8,118.04 is: 12,174.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,178.04 : 43,759.48 = 8,118.04 : x
  2. Step 2: Convert to fraction form
    29,178.04/43,759.48 = 8,118.04/x
  3. Step 3: Cross multiply
    29,178.04x = 43,759.48 × 8,118.04
  4. Step 4: Simplify right side
    29,178.04x = 355,241,209.02
  5. Step 5: Solve for x
    x = 355,241,209.02/29,178.04
  6. Step 6: Final answer
    x = 12,174.95

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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.